brawler (n.)
- agitator
- battler
- belligerent
- blade
- bravo
- bully
- bullyboy
- combatant
- competitor
- contender
- contestant
- defendant
- diehard
- disputant
- dissident
- duelist
- enforcer
- extremist
- fencer
- fighter
- gamecock
- gladiator
- goon
- gorilla
- hood
- hoodlum
- hooligan
- insurgent
- insurrectionist
- knight
- litigant
- malcontent
- maverick
- militant
- mutineer
- naysayer
- negativist
- nonconformist
- objector
- obstructionist
- opposer
- plaintiff
- plug-ugly
- protester
- quarreler
- rebel
- resister
- revolutionary
- revolutionist
- rioter
- rival
- rough
- rowdy
- ruffian
- scrapper
- squabbler
- strong-armer
- struggler
- subversive
- swashbuckler
- sword
- swordsman
- thug
- tilter
- tough
- traitor
- wrangler
