Rehum. From here to Ezra 6:18 is in Syriac, which was like the French of today. Compare 2 Kings 18:26. From Ezra 6:19 -- Ezra 7:11 is Hebrew; and Syriac again from Ezra 7:12-27. then Hebrew.
the chancellor. the master of judgments or decrees.
the scribe: or secretary.
in this sort. after this manner.