neophyte
n//ˈniː.oʊˌfaɪt//neofyt, nyomvänd
A novice (recent convert); a new convert or proselyte; a new monk.
(botany) A plant species recently introduced to an area (in contrast to archaeophyte, a long-established introduced species).
(Christianity) Among the early Christians, and still among the Roman Catholics, one who has recently embraced the Christian faith, and been admitted to baptism, especially those converts from heathenism or Judaism.