The intruders in Galatia were most likely a group of Jewish believers that came from Judea (Acts 15:1). Quite possibly they previously belonged to the part of the Pharisees. They clearly had great respect for the Old Testament and the laws which God gave to Moses. They emphasized the fact that Jesus did not come to abolish the law (Matthew 5:17–18).1
7 Non pas qu'il y ait un autre évangile, mais il y a des gens qui vous troublent, et qui veulent altérer l'Evangile de Christ.