THESAURUS
quarreler
battler, belligerent, belted knight, bickerer, bitter-ender, blade, bravo, brawler, bully, bullyboy, combatant, competitor, contender, contestant, defendant, diehard, disputant, dissentient, dissident, duelist, enforcer, fencer, feuder, fighter, fighting cock, foilsman, gamecock, gladiator, goon, gorilla, hatchet man, hood, hoodlum, hooligan, intransigent, irreconcilable, jouster, knight, last-ditcher, litigant, militant, naysayer, negativist, noncooperator, objector, obstructionist, obstructive, opposer, oppositionist, plaintiff, plug-ugly, protester, resister, rioter, rival, rough, rowdy, ruffian, sabreur, scrapper, scuffler, squabbler, strong arm, strong-arm man, strong-armer, struggler, swashbuckler, sword, swordplayer, swordsman, thug, tilter, tough, tussler, wrangler