Proselyte

1. (n.) A new convert especially a convert to some religion or religious sect, or to some particular opinion, system, or party; thus, a Gentile converted to Judaism, or a pagan converted to Christianity, is a proselyte.

2. (v. t.) To convert to some religion, opinion, or system; to bring over.

Thesaurus Entries

Christian, God-fearing man, accepter, apostate, apostle, backslider, believer, bolter, catechumen, churchgoer, churchite, churchman, collaborationist, collaborator, communicant, convert, daily communicant, defector, deserter, devotee, devotionalist, disciple, fanatic, fifth columnist, follower, good Christian, mugwump, neophyte, pietist, quisling, receiver, recidivist, recreant, religionist, renegade, renegado, renegate, reversionist, runagate, saint, schismatic, seceder, secessionist, separatist, strikebreaker, tergiversant, tergiversator, theist, traitor, truster, turnabout, turncoat, turntail, votary, zealot