Judaizer n. : One who conforms to or inculcates Judaism; specifically, pl. (Ch. Hist.), those Jews who accepted Christianity but still adhered to the law of Moses and worshiped in the temple at Jerusalem.

Example:
Why have I been called a Judaizer?

Taxonomy
Gentiles, Judaizers, Jews, Paul, Christianity, Law, Christians, the Jews, Gentile Christians, circumcised, Jewish, Judaism, the Torah, Law of Moses, exceptions, Marcion, Translation, Torah Laws.

Defination from the web:
Judaizer remains a term associated with Christianity and the question of adherence to Torah Laws. See also Dual-covenant ... The word Judaizer or Judaize is seldom used in English Bible translations, however, an exception is the Young's Literal Translation for Galatians ...