“Speak to the people of Israel and tell them: ‘If someone makes a special promise to give a person as a servant to the Lord by paying a price that is the same value as that person,
If you make a promise to give something to the Lord your God, do not be slow to pay it, because the Lord your God demands it from you. Do not be guilty of sin.
But the Israelites did not attack those cities, because they had made a promise to them before the Lord, the God of Israel. All the Israelites grumbled against the leaders.