sustainer

clamp splint

arm band bar bearing block bolster boom bracer bracket buttress cantilever girder grip guy lever mainstay peg prop rafter reinforcement rib shore skid splice staff stanchion stave stay stirrup strengthener strut truss underpinning vice

backbone bulwark linchpin pillar

anchor brace buttress crutch maintainer prop sinew staff standby stay strength supporter upholder

good right arm right-hand person

advocate backer benefactor patron promoter supporter underwriter

angel godparent guarantor mainstay surety

another adherent grubstaker

antagonist enemy opponent opposer opposition

ally defender follower patron proponent support

abettor adherent bearer booster brace exponent paraclete pillar seconder suspender upholder

abider

enemy opponent opposition

adversary

adherent advocate ally angel apologist backbone backer benefactor champion cohort comforter confederate coworker defender disciple endorser espouser exponent expounder fan follower friend helper mainstay maintainer partisan patron pillar preserver prop proponent satellite second sponsor stalwart stay subscriber tower of strength upholder well-wisher

enemy foe

backer benefactor guarantor promoter

advocate angel godparent guaranty mainstay patron supporter surety

grubstaker

antagonist opponent opposer

enemy opposition