THESAURUS
contestant
adversary, battler, belligerent, belted knight, bickerer, blade, bravo, brawler, bully, bullyboy, carouser, combatant, competitor, contender, corrival, cutup, disputant, duelist, emulator, enforcer, entrant, fencer, feuder, fighter, fighting cock, foilsman, frisker, frolicker, funmaker, gamboler, gamecock, gladiator, goon, gorilla, hatchet man, hood, hoodlum, hooligan, jouster, knight, merrymaker, militant, opponent, participant, playboy, player, pleasure-seeker, pleasurer, pleasurist, plug-ugly, quarreler, reveler, rioter, rival, rollicker, rough, rowdy, ruffian, sabreur, scrapper, scuffler, skylarker, squabbler, strong arm, strong-arm man, strong-armer, struggler, swashbuckler, sword, swordplayer, swordsman, the field, thug, tilter, tough, tussler, vier, wrangler