The elders of Gilead said to Jephthah, Yahweh shall be witness between us; surely according to your word so will we do.
The elders of Gilead made a formal public agreement with Jephthah at Mizpah in northern Gilead, contracting the conditions of his leading Israel in battle (Judges 11:10-11). They pinned the sheriff’s badge on him. Evidently Jephthah told the Lord about this covenant in prayer.