<form action="{{ (route('admin.roleAdd',$adminUser->id)) }}" method="post">
@csrf
@method('POST')
<label for="role-add">Add role to user</label>
<select>
@foreach ($usersRoles as $roles)
<option name="roleId" value="{{$roles->id}}"> {{$roles->role_name}} </option>
@endforeach</select>
<button type="submit" class="btn btn-success">Add Role</button>
<input name="moderId" type="hidden" value="{{$adminUser->id}}">
</form>