friendly
clasher
champion
infighting
rioter
clash
friction
barreter
quarreler
disputator
combatant
fighter
battler
scrapper
belligerent
disputer
conflict
finish
at each other's throats
settler
vying
battle
fight
competitor
struggle
internecine
disturber
meet
by the ears
join battle
conflictual
altercator
adjudicator
makebate
hooligan
getup
heads I win, tails you lose
duel
feuder
insurrectionist
dissonance
opposition
have it out
referee
provocator
set by the ears
jar
peacemaker
agonist
interdispute
cross swords
fighting
provoker
trucebreaker
fire-eater
variance
intercessor
falling out
copartaker
face-off
contravention
metaconflict
disputant
dispute
feudist
gang war
battle royal
ejector
spat
clashing
moderator
incendiary
battleground
flite
culprit
pistols at dawn
ouster
refiler
sectional
argument
mano a mano
transgressor
counterprotestor
factionalism
beard the lion in his den
besieger
Trojan horse
dissension
third party
attack dog
interferer
rub up against
set against
tangle
interclast