sustainer Synonyms

good right arm second proponent prop promoter preserver nourisher maintainer linchpin follower fan exponent seconder sponsor chief support sportscast booster upholsterer upholder suspender supporter support strengthener stay stalwart espouser endurer endorser bolsterer bearer backer backbone back arm apologist angel advocate admirer adherent brace bracer encourager deliverer defender crutch continuer comforter champion carrier buttress