n. proposer, promoter, supporter, upholder, backer, subscriber, patron, espouser, adherent, enthusiast, champion, friend, partisan, defender, advocate, exponent, pleader, apologist, spokesman, spokeswoman, spokesperson Ashley is a staunch proponent of the literacy movement
PROPONENT
Meaning of PROPONENT in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012