User Role Editor WordPress plugin will help you. Edit any existing role, create new one, fill selected role with capabilities which you need. Assign new created roles or capabilities directly to the user. Are you satisfied with standard WordPress roles list or user capabilities distribution among them? Do you wish to change something in the users rights and permissions system? User Role Editor WordPress plugin will help you. Edit any existing role, create new one, fill selected role with capabilities which you need. Assign new created roles or capabilities directly to the user.

Demo: www.role-editor.com/