And Joel the son of Zichri was their overseer: and Judah the son of Senuah was second over the city. And Joel - was their overseer - Joel was chief or magistrate over those, and Judah was his second or deputy. Perhaps each had a different office, but that of Joel was the chief.
Related Commentaries of Nehemiah 11:9
Nehemiah 11:9
9 And Joel the son of Zichri was their overseer: and Judah the son of Senuah was second over the city.