6
supporter(noun, advocate, fan, friend, follower)
3
advocator
3
apologist(noun, support, stay, rock, champion)
3
backer
3
maintainer(noun, support, stay, rock, fan)
3
proponent(noun, support, stay, champion, partisan)
2
adherer
2
adopter
2
advocate
2
embracer
2
marrier
2
promoter
2
sustainer(noun, support, stay, rock, champion)
1
acceptor
1
acquirer
1
adherent
1
backbone(support, stay, rock, fan, partisan)
1
borrower
1
champion
1
championing
13 years ago|1.3k views|share |citing 
APASmart Define. (2013). espouser thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/espouser/thesaurus/synonyms
ChicagoSmart Define. 2013. "espouser thesaurus" https://smartdefine.org/espouser/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, espouser thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/espouser/thesaurus/synonyms>.
MLASmart Define. "espouser thesaurus" 17 June 2013. Web. 20 September 2026. <https://smartdefine.org/espouser/thesaurus/synonyms>