Commentaries
29:1-5 David waited with a secret hope that the Lord would help him out of his difficulty. But he seems to have been influenced too much by the fear of man, in consenting to attend Achish. It is hard to come near to the brink of sin, and not to fall in. God inclined the princes of the Philistines to oppose David's being employed in the battle. Thus their dislike befriended him, when no friend could do him such a kindness.
2. David and his men passed on in the rereward with Achish—as the commander of the lifeguards of Achish, who was general of this invading army of the Philistines.