'Attackers' in the Bible

If there is no food in the land, or if there is disease, or if the fruits of the earth are damaged through heat or water, locust or worm; if their towns are shut in by their attackers; whatever trouble, whatever disease there may be:

If your people go out to war against their attackers, by whatever way you may send them, if they make their prayer to the Lord, turning their faces to this town of yours and to this house which I have made for your name: