I [also] behaved like a person without [obligation to observe] the law [i.e., a Gentile] in front of those who are not obligated to it, although I was not [really] without obligation to God's law; but was under [obligation to] Christ's law. I did this to win those who are without [obligation to observe] the law [i.e., Gentiles].

I behaved like a Jew in front of the Jews in order to win Jews [to Christ]. I behaved like a person who was under [obligation to observe] the law [i.e., Jews] in front of those who observe that law, although I was not [really] under [obligation to] it. I did this to win those who are under [obligation to observe] the law.