'Man of God' in the Bible

And the woman will go and will say to her husband, saying, A man of God came to me, and his sight as the sight of the messenger of God, very terrible: and I asked him not from whence he is, and his name he announced not to me.

And Manoah will pray to Jehovah and will say, With leave, my Lord, a man of God which thou sentest will he come now yet to us, and he will teach us what we shall do to the boy being brought forth.