As used in this subchapter:
(1) “4-H club” means a club in this state that is a member of or affiliated with the 4-H Clubs of America;
(2) “Church bus” means a motor bus or van that is: Owned or exclusively leased by a religious organization; and
(3) Used exclusively for the functions of the religious organization;
(4) “Congregation” means the members of a religious organization;
(5) “Religious organization” means a church or other place of worship that: Is located in the state; and
(6) Provides religious services to its congregation;
(7) “Volunteer rescue squad” means a volunteer group that provides lifesaving, first aid, or other rescue activities in the state; and
(8) “Youth group” means a club in this state that is a member or affiliated with either the Boys and Girls Clubs of America.