'Charge' in the Bible
Now Saul's son had two officers in charge of some raiding parties. One was named Baanah and the other was named Rechab. They were sons of Rimmon, a descendant of Benjamin from Beeroth, which was considered to belong to the tribe of Benjamin.
Zeruiah's son Joab served in charge of the army, Ahilud's son Jehoshaphat was his personal archivist,
David mustered his forces and appointed officers in charge of regiments and companies.
Ziba, the steward in charge of Saul's household, and 1,000 descendants of Benjamin accompanied him, along with Ziba's fifteen sons and 20 servants. They rushed toward the Jordan River ahead of the king
Zeruiah's son Abishai, Joab's brother, was the lieutenant in charge of the platoons. He used his spear to fight and kill 300 men, gaining a reputation distinct from the Three.
He was well known among the platoons, but he didn't measure up to the Three. David placed him in charge of his security detail.