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