term query for cs-ad-free

// WP_Term_Query arguments
$args = array(
	'taxonomy'               => array( 'cs-ad-free' ),
	'slug'                   => array( 'cs-ad-free' ),
	'exclude'                => array( cs-ad-free ),
);

// The Term Query
$term_query = new WP_Term_Query( $args );