'Man of God' in the Bible

and he caused to stand, according to the regulation of David his father, the courses of the priests over their service and of the Levites over their charges, to offer praise and to minister before the priests, for the duty of each day upon its own day, and the gate-keepers in their courses, at every several gate, - for, such, was the commandment of David the man of God;

Then came the word of Yahweh, unto Shemaiah the man of God, saying:

But, a man of God, came unto him, saying, O king! let not the host of Israel come with thee, - for Yahweh is not with Israel, with any of the sons of Ephraim.

And Amaziah said unto the man of God, What then shall be done as to the hundred talents, which I have given to the company of Israel? Then said the man of God, Yahweh is able to give thee much more than this.

And they stood in their place, according to their regulation, according to the law of Moses the man of God, - the priests, dashing the blood, which they received at the hand of the Levites.