20
supporter(noun, person, stay, advocate, double)
16
exponent(noun, person, stay, advocate, double)
15
advocate(noun, person, stay, supporter, fan)
12
backer(noun, person, stay, advocate, double)
11
champion(noun, support, person, advocate, supporter)
10
defender(noun, person, advocate, supporter, fan)
10
apologist(noun, support, stay, champion, partisan)
8
upholder(noun, person, stay, advocate, supporter)
7
promoter(noun, advocate, supporter, sponsor, backer)
6
enthusiast(noun, person, advocate, supporter, fan)
6
partisan(noun, person, stay, advocate, champion)
5
adherent(noun, support, stay, advocate, fan)
5
advocator
5
follower(noun, stay, advocate, supporter, fan)
5
patron(noun, person, stay, advocate, fan)
4
expounder(noun, person, stay, advocate, supporter)
4
pleader(noun, supporter, sponsor, backer, fighter)
4
protector(noun, person, advocate, champion, hero)
4
second(noun, support, person, stay, advocate)
4
spokesperson(noun, person, advocate, supporter, sponsor)
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APASmart Define. (2015). proponent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/proponent/thesaurus/synonyms
ChicagoSmart Define. 2015. "proponent thesaurus" https://smartdefine.org/proponent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, proponent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/proponent/thesaurus/synonyms>.
MLASmart Define. "proponent thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/proponent/thesaurus/synonyms>