8
protector(noun, advocate, supporter, fan, friend)
8
second(noun, support, stay, advocate, duplicate)
7
contributor(noun, help, government, supporter, sponsor)
7
investor(noun, supporter, fan, sponsor, the drama)
7
sympathizer(noun, advocate, supporter, fan, friend)
6
apologist
6
assistant(noun, help, aid, double, supporter)
6
donor(noun, supporter, fan, sponsor, humanitarian)
6
financier(noun, person)
6
guarantor(noun, law, support, person, advocate)
6
protagonist(noun, supporter)
6
underwriter(noun, law, support, person, advocate)
5
aid(noun, supporter, assistant, sponsor, patron)
5
aider(noun, assistant)
5
booster(noun, advocate, agent, leader, supporter)
5
endorser(noun, stay, advocate, supporter, champion)
5
fan(noun, stay, advocate, supporter, friend)
5
seconder(noun, advocate, supporter, fan, follower)
5
support(noun, advocate, rock, supporter, fan)
4
accessory(noun, help, aid, associate, supporter)
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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>