'Group' in the Bible

Joab son of Zeruiah and the servants of David also went out and confronted them at the pool of Gibeon. One group stationed themselves on one side of the pool, and the other group on the other side of the pool.

The descendants of Benjamin rallied after Abner, and they became as one fighting group and stood on the top of a certain hill.

Hushai replied, "No! On the contrary, whomever the LORD, this group, and all the men of Israel choose is where I'll be, and I'll remain with him!

Then three of the thirty leaders went down and came to David {at the time of the harvest} to the cave of Adullam, while a group of [the] Philistines [were] camping in the valley of [the] Rephaim.