RichThesaurus
sustainer
sustainer
synonyms
upholder
mainstay
maintainer
supporter
prop
adherent
backer
pillar
stay
backbone
advocate
endorser
champion
sponsor
angel
patron
proponent
apologist
benefactor
defender
exponent
partisan
confederate
helper
espouser
second
stalwart
wellwisher
preserver
support
buttress
fan
expounder
promoter
anchor
coworker
follower
comforter
satellite
subscriber
staff
friend
cohort
tower of strength
brace
disciple
ally
vice
truss
underpinning
more synonyms
sustainer
antonyms
enemy
foe
critic
attacker