Which roles and rights can be assigned to or revoked from users in the user management?

First, click on the tile "User management" in the main menu.

To change the roles and rights of individual users, click on the "Edit" button on the "Users" tab for the specific user. Then switch to the "Role Mappings" tab.

To assign admin rights, select the "Admin" option in the "Available roles" field and assign the role to the user using the "Add selected" button. The "Admin" option will now appear in the "Assigned roles" field.

To remove admin rights, select the "Admin" option in the "Assigned roles" field and remove the admin rights from the user by clicking the "Remove selected" button. The "Admin" option now appears in the "Available roles" field.