'Captain' in the Bible

Now Abner, the son of Ner, captain of Saul's army, had taken Saul's son Ish-bosheth over to Mahanaim,

And Hadadezer sent for the Aramaeans who were on the other side of the River: and they came to Helam, with Shobach, the captain of Hadadezer's army, at their head.

And the Aramaeans went in flight before Israel; and David put to the sword the men of seven hundred Aramaean war-carriages and forty thousand footmen, and Shobach, the captain of the army, was wounded, and came to his death there.

Was he not the noblest of the thirty? so he was made their captain: but he was not equal to the first three