1 Samuel 7:7

7:7 When the Philistines heard that the Israelites had gathered at Mizpah, the leaders of the Philistines went up against Israel. When the Israelites heard about this, they were afraid of the Philistines.

1 Samuel 22:2

22:2 All those who were in trouble or owed someone money or were discontented gathered around him, and he became their leader. He had about four hundred men with him.

1 Samuel 28:1

The Witch of Endor

28:1 In those days the Philistines gathered their troops for war in order to fight Israel. Achish said to David, “You should fully understand that you and your men must go with me into the battle.”