'Horsemen' in the Bible

He said, "This will be the way of the king who shall reign over you: he will take your sons, and appoint them to him, for his chariots, and to be his horsemen; and they shall run before his chariots;

The Philistines assembled themselves together to fight with Israel, thirty thousand chariots, and six thousand horsemen, and people as the sand which is on the seashore in multitude: and they came up, and encamped in Michmash, eastward of Beth Aven.