1 Samuel 29:1,2 - Joseph Benson’s Commentary on the Old and New Testaments

The Philistines gathered, the Israelites pitched Or rather, had gathered, had pitched; for we are informed in the foregoing chapter that the Philistines were come to Shunen, and it is probable David's departure from their army was prior to Saul's consulting the woman at Endor. The lords of the Philistines passed on by hundreds, &c. When they took a view of their army, the great men appeared, some at the head of a hundred, some of a thousand soldiers. David and his men passed on with Achish Who seems to have been the general of the army, and to have made David and his men his life-guard, according to his resolution, chap. 1 Samuel 28:2. From this we may learn how dangerous a thing it is to deviate from truth, and what inconveniences it often brings us into. The pretences which David made to Achish (as related chap. 28.) of his inveteracy to the Israelites, and of the damage he had done them in making incursions upon them, were the inducements that prompted Achish to make David and his men his life-guard; whereby David was brought into the grievous strait of either fighting against his own countrymen, or betraying his benefactor.