9 Jephthah answered, “Suppose you take me back to fight the Ammonites and the LORD gives them to me—will I really be your head?”

Read Judges 11:9 Using Other Translations

And Jephthah said unto the elders of Gilead, If ye bring me home again to fight against the children of Ammon, and the LORD deliver them before me, shall I be your head?
Jephthah said to the elders of Gilead, "If you bring me home again to fight against the Ammonites, and the LORD gives them over to me, I will be your head."
Jephthah said to the elders, “Let me get this straight. If I come with you and if the LORD gives me victory over the Ammonites, will you really make me ruler over all the people?”