'Chief' in the Bible

Now after this it came about that David defeated the Philistines and subdued them; and David took control of the chief city from the hand of the Philistines.

Benaiah the son of Jehoiada was over the Cherethites and the Pelethites; and David’s sons were chief ministers.

These are the names of the mighty men whom David had: Josheb-basshebeth a Tahchemonite, chief of the captains, he was called Adino the Eznite, because of eight hundred slain by him at one time;

Then three of the thirty chief men went down and came to David in the harvest time to the cave of Adullam, while the troop of the Philistines was camping in the valley of Rephaim.

Abishai, the brother of Joab, the son of Zeruiah, was chief of the thirty. And he swung his spear against three hundred and killed them, and had a name as well as the three.