combatant
2.(ancient Rome) a professional combatant or a captive who entertained the public by engaging in mortal combat.
3.A person, usually a professional combatant, a captive, or a slave, trained to entertain the public by engaging in mortal combat with another person or a wild animal in the ancient Roman arena.
4.After leaving British waters disguised as a merchant ship, the Alabama was outfitted as a combatant by supply ships and placed in commission on August 24, 1862.
