bp_is_user_inactive( int $user_id )

function bp_is_user_inactive( $user_id = 0 ) {

	// Default to current user.
	if ( empty( $user_id ) && is_user_logged_in() ) {
		$user_id = bp_loggedin_user_id();
	}

	// No user to check.
	if ( empty( $user_id ) ) {
		return false;
	}

	// Return the inverse of active.
	return !bp_is_user_active( $user_id );
}