In any case, they were Jewish and thought that the code of Moses should be followed by believers in Jesus.The Mosaic Law may well be subdivided into three categories: Promise, Ethic, and Code.
The Judaizers were concerned that Paul was not requiring the Gentiles to obey the code of Moses (Acts 15:5), and that Paul was encouraging Jews to cease their following of the code of Moses (Acts ).
Although Paul does spend considerable time in Galatians defending his apostleship, this is not the primary design of the epistle Paul defends his apostleship in order to exhort the believers in Galatia to continue to adhere to the true gospel which not only includes justification by faith, but also sanctification by faith.
The identity of these Judaizers is difficult to pinpoint.
4), it is unlikely that he would have gone three hundred miles to the north Also, Paul concentrated in his journeys on the main roads and centers of communication in the Roman provinces, and until AD 292 there was no main road to north Galatia 9.
There are other arguments such as Paul’s mentioning of Barnabas as one they should have known (Gal.