'Captain' in the Bible

But they forgot the Lord their God, so He sold them into the hand of Sisera, captain of the army of Hazor, and into the hand of the Philistines and into the hand of the king of Moab, and they fought against them.

The name of Saul’s wife was Ahinoam the daughter of Ahimaaz. And the name of the captain of his army was Abner the son of Ner, Saul’s uncle.

Everyone who was in distress, and everyone who was in debt, and everyone who was discontented gathered to him; and he became captain over them. Now there were about four hundred men with him.

Then Ahimelech answered the king and said, “And who among all your servants is as faithful as David, even the king’s son-in-law, who is captain over your guard, and is honored in your house?