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
scrapper
blab
blabber
boaster
brawl
debauchee
defaulter
extortioner
gamester
greenhorn
harlot
lecher
loafer
loud-mouth
mischief-maker
ne'er-do-well
seducer
swearer
wastrel
winebibber