4
accomplice(noun, help, aid, associate, supporter)
4
admirer(noun, advocate, supporter, fan, disciple)
4
benefactress
4
enabler
4
encourager(noun, advocate, leader, supporter, fan)
4
friend at court(noun, expression, idiom, auxiliary)
4
henchman(noun, aid, assistant, follower, aide)
4
philanthropist(noun, advocate, leader, supporter, fan)
4
punter
4
stalwart(noun, support, stay, advocate, rock)
4
subscriber
4
surety(noun, law, support, person, advocate)
4
sustainer(noun, support, stay, advocate, fan)
4
well-wisher(noun, support, stay, advocate, supporter)
3
aficionado(noun, supporter, devotee)
3
aide-de-camp(noun, supporter, assistant, helper, aide)
3
assister
3
associate(noun, help, supporter, subordinate, representative)
3
auxiliary(noun, adjective, help, associate, supporter)
3
bettor(noun, cheat, pro, player, swindler)
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APASmart Define. (2016). backer thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/backer/thesaurus/synonyms
ChicagoSmart Define. 2016. "backer thesaurus" https://smartdefine.org/backer/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, backer thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/backer/thesaurus/synonyms>.
MLASmart Define. "backer thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/backer/thesaurus/synonyms>