battler
belligerent
belted knight
blade
bravo
brawler
bully
bullyboy
combatant
competitor
contender
contestant
disputant
duelist
enforcer
fencer
feuder
fighter
fighting cock
foilsman
gamecock
gladiator
goon
gorilla
hatchet man
hood
hoodlum
hooligan
jouster
knight
militant
plug-ugly
quarreler
rioter
rival
rough
rowdy
ruffian
sabreur
scrapper
scuffler
squabbler
strong arm
strong-arm man
strong-armer
struggler
swashbuckler
sword
swordplayer
swordsman