judaiser
/ˈdʒuːdɪˌaɪzər/Definitions
1. noun
A person who believes that Jesus was not the Messiah, or that the Hebrew scriptures were more important than the Christian New Testament, often used to describe an early Christian or someone who is skeptical of Christian doctrine.
“The historian specialized in the study of judaizers, who played a crucial role in the early Christian Church.”
2. verb
To adopt or promote Jewish practices or beliefs, especially in a way that is seen as contrary to Christian doctrine.
“Some critics accused the artist of judaizing in her depiction of the Holy Land.”