For I testify again to every man that is circumcised, that he is a debtor to do the whole law. He is a debtor to do the whole law - Lays himself, by receiving circumcision, under the obligation to fulfill all its precepts, ordinances, etc.
Related Commentaries of Galatians 5:3
Galatians 5:3
3 For I testify again to every man that is circumcised, that he is a debtor to do the whole law.