'Man of God' in the Bible

But the word of LORD came to Shemaiah the man of God, saying,

But there came a man of God to him, saying, O king, let not the army of Israel go with thee. For LORD is not with Israel, [namely], with all the sons of Ephraim.

And Amaziah said to the man of God, But what shall we do for the hundred talents which I have given to the army of Israel? And the man of God answered, LORD is able to give thee much more than this.

And they stood in their place after their order, according to the law of Moses the man of God; the priests sprinkled the blood [which they received] from the hand of the Levites.