diff --git a/assets/app.js b/assets/app.js
index cbcfb63..0706665 100644
--- a/assets/app.js
+++ b/assets/app.js
@@ -47,17 +47,21 @@ if (! location.pathname.includes('login')) {
     const userMenu = document.querySelector('.dropdown-trigger');
     const userCaret = document.querySelector('#user-caret');
 
-    document.querySelector('#for-vocabs').addEventListener('click', function () {
-        vocabs.classList.toggle('is-hidden');
+    const forVocabs = document.querySelector('#for-vocabs')
+    
+    if (forVocabs) {
+        forVocabs.addEventListener('click', function () {
+            vocabs.classList.toggle('is-hidden');
 
-        if (this.firstElementChild.classList.contains('fa-angle-right')) {
-            this.firstElementChild.classList.remove('fa-angle-right');
-            this.firstElementChild.classList.add('fa-angle-down');
-        } else {
-            this.firstElementChild.classList.remove('fa-angle-down');
-            this.firstElementChild.classList.add('fa-angle-right');
-        }
-    });
+            if (this.firstElementChild.classList.contains('fa-angle-right')) {
+                this.firstElementChild.classList.remove('fa-angle-right');
+                this.firstElementChild.classList.add('fa-angle-down');
+            } else {
+                this.firstElementChild.classList.remove('fa-angle-down');
+                this.firstElementChild.classList.add('fa-angle-right');
+            }
+        });
+    }
 
     userMenu.addEventListener('click', function () {
         document.querySelector('.dropdown').classList.toggle('is-active');
diff --git a/src/Controller/VocabFuncContextController.php b/src/Controller/VocabFuncContextController.php
index cde3520..b323c2c 100644
--- a/src/Controller/VocabFuncContextController.php
+++ b/src/Controller/VocabFuncContextController.php
@@ -3,12 +3,14 @@
 namespace App\Controller;
 
 use App\Entity\VocabFuncContext;
-use App\Repository\VocabFuncContextRepository;
+use App\Security\Voter\VocabVoter;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Security\Core\Exception\AccessDeniedException;
+use Symfony\Component\Security\Http\Attribute\IsGranted;
 
 class VocabFuncContextController extends AbstractController
 {
@@ -17,10 +19,8 @@ class VocabFuncContextController extends AbstractController
     {
         $roles = $this->getUser()->getRoles();
 
-        if (! in_array('ROLE_REVISOR', $roles)
-            && ! in_array('ROLE_ADMIN', $roles)
-        ) {
-            $this->addFlash('warning', 'Only revisors and administrators can edit vocabularies');
+        if (in_array('ROLE_READER', $roles)) {
+            $this->addFlash('warning', 'Only editors, revisors and administrators can view vocabularies');
             return $this->redirectToRoute('app_home');
         }
 
@@ -35,9 +35,16 @@ class VocabFuncContextController extends AbstractController
     #[Route('/vocabs/functional_context/add', name: 'app_vocab_func_context_add')]
     public function addTerm(Request $request, EntityManagerInterface $em): Response
     {
-        $term = $request->getPayload()->get('_term');
-
         $vocab = new VocabFuncContext;
+        try {
+            $this->denyAccessUnlessGranted(VocabVoter::EDIT, $vocab);
+        }
+        catch (AccessDeniedException) {
+            $this->addFlash('warning', 'Only revisors and administrators can edit vocabularies');
+            return $this->redirectToRoute('app_home');
+        }
+
+        $term = $request->getPayload()->get('_term');
         $vocab->setTerm($term);
         $em->persist($vocab);
         $em->flush();
diff --git a/src/Entity/VocabFuncContext.php b/src/Entity/VocabFuncContext.php
index 710809f..2baf29a 100644
--- a/src/Entity/VocabFuncContext.php
+++ b/src/Entity/VocabFuncContext.php
@@ -7,7 +7,7 @@ use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity()]
 #[ORM\Table(name: 'lis_contesto_funz')]
-class VocabFuncContext
+class VocabFuncContext implements \App\VocabInterface
 {
     #[ORM\Id]
     #[ORM\GeneratedValue]
diff --git a/src/Security/Voter/VocabVoter.php b/src/Security/Voter/VocabVoter.php
new file mode 100644
index 0000000..3fa3537
--- /dev/null
+++ b/src/Security/Voter/VocabVoter.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Security\Voter;
+
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Authorization\Voter\Voter;
+use Symfony\Component\Security\Core\User\UserInterface;
+
+final class VocabVoter extends Voter
+{
+    public const EDIT = 'VOCAB_EDIT';
+    public const DELETE = 'VOCAB_DELETE';
+    public const VIEW = 'VOCAB_VIEW';
+
+    protected function supports(string $attribute, mixed $subject): bool
+    {
+        // replace with your own logic
+        // https://symfony.com/doc/current/security/voters.html
+        return in_array($attribute, [self::EDIT, self::VIEW, self::DELETE])
+            && $subject instanceof \App\VocabInterface;
+    }
+
+    protected function voteOnAttribute(string $attribute, mixed $subject, TokenInterface $token): bool
+    {
+        $user = $token->getUser();
+
+        // if the user is anonymous, do not grant access
+        if (!$user instanceof UserInterface) {
+            return false;
+        }
+
+        $roles = $user->getRoles();
+
+        // TODO: Better way to check roles?
+        switch ($attribute) {
+            case self::EDIT:
+            case self::DELETE:
+                return  in_array('ROLE_ADMIN', $roles)
+                        || in_array('ROLE_REVISOR', $roles);
+                break;
+
+            case self::VIEW:
+                return  ! in_array('ROLE_READER', $roles);
+                break;
+        }
+
+        return false;
+    }
+}
diff --git a/src/VocabInterface.php b/src/VocabInterface.php
new file mode 100644
index 0000000..6f0782c
--- /dev/null
+++ b/src/VocabInterface.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace App;
+
+interface VocabInterface
+{
+}
\ No newline at end of file
diff --git a/templates/data_entry.html.twig b/templates/data_entry.html.twig
index c3efc8f..911bb83 100644
--- a/templates/data_entry.html.twig
+++ b/templates/data_entry.html.twig
@@ -33,7 +33,7 @@
                         </span>
                         <span class="pl-2">Profile</span>
                     </a>
-                  {% if 'ROLE_ADMIN' in app.user.roles %}
+                  {% if  is_granted('ROLE_ADMIN') %}
                     <a href="/admin" class="dropdown-item">
                         <span class="icon is-small">
                             <i class="fa fa-cogs"></i>
@@ -57,6 +57,7 @@
 <div class="columns mb-0">
     <div class="column is-one-fifth arcoa-menu mb-0">
        <aside class="menu pl-4">
+       {% if 'ROLE_READER' not in app.user.roles %}
             <p class="menu-label has-text-white mt-3 pt-5 pl-5 is-size-6">
                 Vocabularies
                 <span class="icon is-clickable pl-4" id="for-vocabs">
@@ -201,6 +202,7 @@
                     </a>
                 </li>
             </ul>
+            {% endif %}
             <p class="menu-label has-text-white mt-3 pt-5 pl-5 is-size-6">
                 Records
                 <span class="icon is-clickable pl-4" id="for-records">
diff --git a/templates/home/index.html.twig b/templates/home/index.html.twig
index 7bed1c6..ec95002 100644
--- a/templates/home/index.html.twig
+++ b/templates/home/index.html.twig
@@ -3,6 +3,16 @@
 {% block title %}Home | ArCOA{% endblock %}
 
 {% block rightpanel %}
+    {% for message in app.flashes('warning') %}
+        <article class="message is-warning mb-6 mt-3 ml-auto mr-auto" style="max-width: 35vw">
+            <div class="message-header">
+                <p>Warning</p>
+                <button class="delete" aria-label="delete"></button>
+            </div>
+            <div class="message-body">{{ message }}</div>
+        </article>
+    {% endfor %}
+
     <div class="has-text-centered">
         <img width="200px" src="{{ asset('img/Logo-ArCOA-def.png') }}" />
     </div>
@@ -11,15 +21,6 @@
     <h2 class="is-size-3 mb-3 has-text-centered">Archivi e Collezioni dell'Oriente Antico</h2>
     <h2 class="is-size-3 mb-6 has-text-centered">Archives and Collections of the Ancient Near East</h2>
 
-    {% for message in app.flashes('warning') %}
-        <article class="message is-warning" style="max-width: 35vw; margin: 0 auto;">
-            <div class="message-header">
-                <p>Warning</p>
-                <button class="delete" aria-label="delete"></button>
-            </div>
-            <div class="message-body">{{ message }}</div>
-        </article>
-    {% endfor %}
 
     <div class="columns" style="max-width: 35vw; margin: 0 auto;">
         <div class="column mt-6 mb-5">
diff --git a/templates/vocab_func_context/index.html.twig b/templates/vocab_func_context/index.html.twig
index 724bea8..564e8f0 100644
--- a/templates/vocab_func_context/index.html.twig
+++ b/templates/vocab_func_context/index.html.twig
@@ -4,7 +4,7 @@
 
 {% block rightpanel %}
 <div class="container" style="max-width: 50vw">
-    <h1 class="is-size-1 mt-0 has-text-centered">Edit vocabulary</h1>
+    <h1 class="is-size-1 mt-0 has-text-centered">Vocabulary</h1>
     <h2 class="is-size-3 mt-4 has-text-centered">Functional context</h2>
 
     <div class="container mt-6">
@@ -18,6 +18,7 @@
                 {{ message }}
             </div>
         {% endfor %}
+        {% if is_granted('ROLE_ADMIN') or is_granted('ROLE_REVISOR') %}
         <form method="post" action="{{ path('app_vocab_func_context_add') }}">
             <label class="label">Add new term</label>
             <div class="field has-addons">
@@ -34,15 +35,17 @@
                 </div>
             </div>
         </form>
+        {% endif %}
 
         <h3 class="mt-6 mb-5 is-size-5"><strong>Terms in vocabulary</strong></h3>
         <table class="table is-fullwidth" id="terms">
-            <tr><th>Term</th><th>Actions</th></tr>
+            <tr><th>Term</th>{% if is_granted('ROLE_ADMIN') or is_granted('ROLE_REVISOR') %}<th>Actions</th>{% endif %}</tr>
         {% for term in terms %}
             <tr data-row-id="{{ term.id }}">
                 <td>
                     <input class="input" type="text" value="{{ term.term }}" disabled data-term-id="{{ term.id }}" />
                 </td>
+                {% if is_granted('ROLE_ADMIN') or is_granted('ROLE_REVISOR') %}
                 <td>
                     <div class="buttons">
                         <button class="button is-link" data-id-edit="{{ term.id }}">
@@ -59,6 +62,7 @@
                         </button>
                     </div>
                 </td>
+                {% endif %}
             </tr>
         {% endfor %}
         </table>