Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
A servant of the king; probably an official title, an Ethiopian, "one of the eunuchs which was in the king's house;" i.e., in the palace of Zedekiah, king of Judah. He interceded with the king in Jeremiah's behalf, and was the means of saving him from death by famine (Jer. 38:7-13 comp. 39:15-18).