'Group' in the Bible

Now Zebah and Zalmunna were in Karkor, along with their armies, about 15,000 men who survived from the entire army of the group from the east, since 120,000 swordsmen had already fallen.

They asked, "What one group of the tribes of Israel didn't come up to meet the LORD at Mizpah?" It turned out that no one had come to the encampment from Jabesh-gilead,