proponent

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a person who pleads for a cause or propounds an idea (Freq. 1)
• Syn:
advocate, advocator, exponent
• Derivationally related forms:
propound, advocate (for: advocator), advocate (for: advocate)
• Hypernyms:
person, individual, someone, somebody, mortal, soul
• Hyponyms:
apologist, vindicator, justifier, constitutionalist, Darwinian,
democrat, populist, federalist, Gnostic, humanist, humanitarian,
ideologist, ideologue, internationalist, irredentist, irridentist, isolationist,
Jansenist, libertarian, Maoist, Marxist, nationalist, neoclassicist,
neutralist, nullifier, partisan, zealot, drumbeater, partitionist,
Platonist, pro-lifer, presenter, sponsor, protectionist, republican,
ritualist, ruralist, secessionist, secularist, separatist, separationist,
spokesperson, interpreter, representative, voice, suffragist, supporter,
protagonist, champion, admirer, booster, friend, supremacist,
teleologist, Thatcherite, unilateralist

• Từ đồng nghĩa / Synonyms:
  advocate, advocator, exponent