745 ILCS 72/10
As used in this Act:
"Operator" means a person or entity that owns, manages, controls, directs, or has operational responsibility for a roller skating rink.
"Roller skater" or "skater" means a person wearing roller skates while in a roller skating rink for the purpose of recreational or competitive roller skating. "Roller skater" or "skater" also includes any person in a roller skating rink who is an invitee, whether or not that person pays consideration.
"Roller skating rink" means a building, facility, or premises that provides an area specifically designed to be used by the public for recreational or competitive roller skating.
"Spectator" means a person who is present in a roller skating rink only for the purpose of observing recreational or competitive roller skating.
745 ILCS 72/10