As used in this act:
a. "Operator" means a person or entity who owns, manages, controls or directs or who has operational responsibility for a roller skating rink.
b. "Roller skater" means a person wearing roller skates while in a roller skating rink for the purpose of recreational or competitive roller skating.
Roller skater also includes any person in such roller skating rink who is an invitee, whether or not said person pays consideration.
c. "Roller skating rink" means a building, facility or premises which provides an area specifically designed to be used by the public for recreational or competitive roller skating.
d. "Spectator" means a person who is present in a roller skating rink only for the purpose of observing recreational or competitive roller skating.