proselyte

n. 1 person converted, esp. Recently, from one opinion, creed, party, etc., to another. 2 convert to judaism.  proselytism n. [latin proselytus from greek]

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.