'Man of God' in the Bible

And these were the chief among the Levites: Hashabiah, Sherebiah and Jeshua the son of Kadmiel, and their brethren over against them, to give praise and thanks, according as David the man of God had ordained it, one watch over against another.

and his brethren, Shemaiah, and Azarel, Milalai, Gilalai, Maai, Nethanel, and Judah, and Hanani, with the musical instruments of David the man of God. And Ezra the scribe before them,