1
actor
1
adherent(noun, support, stay, advocate, fan)
1
admitter
1
advocator
1
affirmer
1
aficionado
1
aider
1
aimer
1
ally(noun, support, stay, advocate, fan)
1
alpenstock
1
anchor(noun, support, rock, prop, pillar)
1
applier
1
approver
1
arriver
1
assister
1
athletic supporter
1
avower
1
backing
1
baffler
1
band(noun, support, stay, bar, prop)
11 years ago|4.9k views|share |citing 
APASmart Define. (2015). sustainer thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sustainer/thesaurus/synonyms
ChicagoSmart Define. 2015. "sustainer thesaurus" https://smartdefine.org/sustainer/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, sustainer thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sustainer/thesaurus/synonyms>.
MLASmart Define. "sustainer thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/sustainer/thesaurus/synonyms>