Ebionite

(noun) a member of a group of Jews who (during the early history of the Christian Church) accepted Jesus as the Messiah; they accepted the Gospel According to Matthew but rejected the Epistles of St. Paul and continued to follow Jewish law and celebrate Jewish holidays; they were later declared heretic by the Church of Rome. Synonyms: Nazarene.

(adj) of or relating to the Ebionites or their religion.