And Pethahiah the son of Meshezabel, of the sons of Zerah the son of Judah, was at the king’s side in all matters concerning the people.
Having given an account of the principal persons that dwelt in Jerusalem (a larger account of whom he had before, Ch1 9:2, etc.), Nehemiah, in these verses, gives us some account of the other cities, in which dwelt the residue of Israel, Neh 11:20. It was requisite that Jerusalem should be replenished, yet not so as to drain the country.
Commenting on Nehemiah 11:20-36
THEIR NAMES. (Neh. 11:3-36) the chief of the province--that is, Judea. Nehemiah speaks of it, as it then was, a small appendix of the Persian empire. in the cities of Judah dwelt every one in his possession in their cities--The returned exiles, who had come from Babylon, repaired generally, and by a natural impulse, to the lands and cities throughout the country which had been anciently assigned them.
Commenting on Nehemiah 11:3-36
Pethahiah . . . was at the king's hand in all matters concerning the people--This person was entrusted with judicial power, either for the interest, or by the appointment, of the Persian monarch, and his duty consisted either in adjusting cases of civil dispute, or in regulating fiscal concerns.