Read Galatians 5:3 Using Other Translations
For I testify again to every man that is circumcised, that he is a debtor to do the whole law.
I testify again to every man who accepts circumcision that he is obligated to keep the whole law.
I’ll say it again. If you are trying to find favor with God by being circumcised, you must obey every regulation in the whole law of Moses.