challenger Antonyms
workfellow
shrike
shipmate
senator
sectary
sectarian
seconder
schoolmate
schoolfellow
schemer
salvor
salvationist
roommate
representative
reliever
sider
sister
whitewasher
warrantor
vicegerent
upholder
underwriter
translator
sympathizer
suspensor
supporter
support
stifler
sponsor
spokesman
SPAR
reformer
protector
pard
paranymph
paraclete
paladin
pal
outfit
opinionist
offerer
obeyer
nuncio
nominator
mucker
missionary
messmate
partisan
partner
protagonist