2 Samuel 23:37

“Zelek the Ammonite, etc.] Who was so either by birth, and became a proselyte; so the Targum says, he was of the children of Ammon; or is so called, because he had sojourned some time in their land, or had done some exploits against them; unless he was of Chepharhaammonai, a city of the tribe of Benjamin, (<061824>Joshua 18:24); Naharai the Beerothite; native of Beeroth, a city in the same tribe, (<061825>Joshua 18:25); armourbearer to Joab the son of Zeruiah; Joab had ten of them, this perhaps was the chief of them, (<101815>2 Samuel 18:15); who was advanced to be a captain, and therefore has a name and place among the thirty, very likely for some military, exploits performed by him; he is…”

“Zelek: Ch1 11:39 Nahari: Ch1 11:37 2 Kings (2 Samuel) 23:38”