brawler

assailant boxer champion combatant mercenary militant opponent soldier tanker warlord warrior

GI aggressor antagonist battler belligerent bruiser bully competitor contender contestant disputant duelist gladiator heavy pugilist rival scrapper slugger wildcat

jouster person-at-arms punching bag serviceperson

peacemaker

hooligan lout

bully hellion punk roughneck ruffian terror troublemaker