/**
 * Exclude users with the specific level from directory.
 */
add_filter( 'mpp_main_gallery_query_args', 'mpp_custom_filter_dir_query_args' );
add_filter( 'mpp_main_gallery_dir_ajax_query_args', 'mpp_custom_filter_dir_query_args' );
function mpp_custom_filter_dir_query_args( $args ) {
    // not the directory page.
    if ( ! empty( $args['component'] ) ) {
        return $args;
    }

    // CHANGE this line.
    $level_name            = "Basic";
    $args['exclude_users'] = mpp_custom_get_pmpro_users_with_level_name( $level_name );

    return $args;
}