$result = add_role( 'New_user', __(

    'Новый пользователь' ),

    array(

        'read' => true, // true allows this capability
        'edit_posts' => true, // Allows user to edit their own posts
        'edit_pages' => true, // Allows user to edit pages
        'edit_others_posts' => true, // Allows user to edit others posts not just their own
        'create_posts' => true, // Allows user to create new posts
        'manage_categories' => true, // Allows user to manage post categories
        'publish_posts' => true, // Allows the user to publish, otherwise posts stays in draft mode
        'edit_themes' => false, // false denies this capability. User can’t edit your theme
        'install_plugins' => false, // User cant add new plugins
        'update_plugin' => false, // User can’t update any plugins
        'update_core' => false // user cant perform core updates

    )

);