"Man of God" is frequently used as a synonym for "prophet, for example:
- Moses: Deut 33:1, 1 Chron 23:14, 2 Chron 30:16
- David: Neh 12:36
- Elijah: 1 Kings 17:24
- Elishah: 2 Kings 4:25, 42, 6:10, 8:2
- Shemaiah: 1 Kings 12:22, 2 Chron 11:2
- Unnamed prophet: 1 Kings 13:1, 14, 21
In the NT, "man of God" is used in a boarderbroader sense of an apostle or anyone working to preach the Gospel, 1 Tim 6:11, 2 Tim 3:17. While these two (only) statements were addressed to Timothy, the wording suggests a more general application.