What is another word for "dupe"?

Roget's Thesaurus (1911) lists these synonyms for "dupe": abettor, accessory, accomplice, adherent, adjunct, adjutant, adjuvant, advocate, after, all, ally, alter, angel, assistant, associate, auxiliary, away, backer, bait, believing, bigotry, bite, blind, candle, catch, champion, cheese, childish, clerk, coadjutor, coadjutrix, collaborator, colleague, complice, conclusion, confederate, confidant, confident, confiding, confrere.