The apostle Paul did not confront the HRM, but Jews, his compatriots, who wanted the gentiles who believed in the Messiah to become Jews first (cf. Gal 5:1-4; Acts 15:1, 5). As for Messianic, it comes from the word Messiah (from the Heb. mashiach, anointed), just as Christian derives from Christ (from the Gr. christos, anointed). Strictly speaking, all Christians are Messianics, and all Messianics are Christians. I know that Judaizer is used very frequently in a colloquial sense, but it behooves us to clarify whom we refer to. Not all Jewish things are Judaizing. The same applies to Messianic.
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