What man is he, i.e. whosoever he be, whether Jew or Gentile, whether more innocent, or a greater sinner, which is my case.
That he shall choose, i.e. which God appointeth or approveth. Or, which he, i.e. such person, should choose; for the future tense is oft put potentially, and so as to express a man’s duty, as Gen_20:9Mal_1:6 2:7.