In this subtitle, “license” means a license issued by the Commission. In this subtitle, “license” includes: a license to participate as a boxer in a contest; a license to participate as a professional kick boxer in a contest; a license to participate as an amateur kick boxer in a contest; a license to participate as a wrestler in a contest; a license to participate as a professional mixed martial arts contestant in a contest; a license to participate as an amateur mixed martial arts contestant in a contest; a license to act as a manager for a contestant; a license to act as a referee in a contest; a license to act as a judge in a contest; a license to act as a second in a contest; a license to act as a matchmaker of a contest; and a license to act as a promoter of a contest.