For purposes of this chapter, unless the context requires a different meaning:
"Creditable service" means service as an eligible volunteer plus any service credited pursuant to § 51.1-1207.
"Eligible volunteer" means any volunteer emergency medical services personnel or any volunteer firefighter who is a member of a bona fide volunteer emergency medical services agency or volunteer fire department and who is otherwise eligible pursuant to the criteria established by the Board.
"Member" means an eligible volunteer.
Va. Code § 51.1-1203