The pasuk quoted to prove that Dovid was not embaressed to ask Mipiboshes states "Neged M'lachim lo avosh" . Was Mipiboshes a king? Who was he aside from being Dovids rebbi?
Joseph Lefkowitz, baltimore usa
Mefivoshes in this context refers to Ishboshes, the son of Shaul ha'Melech. The Maharsha explains that the verse refers to him as a king, either because Talmidei Chachamim are called "kings" (Gitin 62a)or because he was from a kingly family.
B'Virchas Kol Tuv,