By the former he means the Gentiles, by the latter, the Jews; the like distribution he makes, 1 Corinthians 9:20,21. In the law; i.e. under the law, or against it.
Related Commentaries of Romans 2:12
Romans 2:12
12 For as many as have sinned without law shall also perish without law: and as many as have sinned in the law shall be judged by the law;