He: i.e. Josiah.
judged the cause. Figure of speech Polyptoton. Hebrew judged the judgment. Figure of speech Erotesis by Ellipsis. "[Did he not] judge righteous judgment? "Figure of speech Hendiadys, as in Jeremiah 22:3.
poor. wretched. Hebrew. 'anah. See note on "poverty", Proverbs 6:11.