That's how apostate Christians, Gentilized Christians, misled by Romanizers, spiritual drunks and whores, hatefully refer those who reject their counterfeit Christianity to faithfully keep the same biblical ("Jewish") Sabbath, the same biblical ("Jewish") festivals, the same biblical ("Jewish") dietary laws and beliefs as Yahshua, the King of the Jews, and the early Jewish Church of God observed and taught. The Gentile converts Polycarp and Polcrates were also "Judaizers!"
The Sabbath-keeping Church of God are pioneers of the wonderful World Tomorrow when all idolatrous traditions of unclean Christianity, baptized paganism pretending to be Christian, will be history! Come Lord Yahshua!
Do you follow Constantine or Christ?