As used in this chapter, unless the context otherwise requires:
(1) “Volunteer public safety organization” means: A county organization for emergency services formed pursuant to the Arkansas Emergency Services Act of 1973, § 12-75-101 et seq.;
(2) A sheriff's auxiliary formed pursuant to § 12-9-301 et seq.;
(3) An ambulance service or rescue squad formed pursuant to § 14-282-101 et seq. or any other improvement district law of this state or formed as a subordinate service district of the county; or
(4) A rural volunteer fire department formed as a subordinate service district of the county or as an improvement district, or a subscription fire service department formed as a nonprofit organization under the laws of this state; and
(5) “Volunteer public safety worker” means an active volunteer member of a volunteer public safety organization.