Sec. 2. As used in this chapter, "public safety service provider" or "provider" means an officer or employee of the state, an officer or employee of a governmental unit, or a volunteer who is engaged in at least one (1) of the following activities:
(1) Firefighting.
(2) Emergency management.
(3) Environmental management.
(4) Fire or building inspection.
(5) Emergency medical service.
(6) Any other public safety or homeland security activity that the department may designate.