Synonyms of proponent in English:

proponent


See US English definition of proponent

See UK English definition of proponent

See Spanish definition of defensor

noun

1‘a radical Roman Catholic priest and outspoken proponent of liberation theology’

SYNONYMS
advocate, supporter, upholder, exponent, promoter, adherent, endorser, champion, defender, backer, subscriber, patron, espouser, friend, apostle, apologist, pleader, proposer, propounder, spokesperson, spokesman, spokeswoman
enthusiast, propagandist