Judges 11:9

If ye bring me home again; if you recall me from this place where I am now settled, to the place whence I was expelled. Shall I be your head? will you really make good this promise? Jephthah was so solicitous in this case, either from his zeal for the public good, which required that he should be so; or from the law of self-preservation, that he might secure himself from his brethren; whose ill will he had experienced, and whose injuries he could not prevent, if, after he had served their ends, he had been reduced to his private capacity: or there might be some tincture of ambition in him; for which God therefore severely, though paternally, chastiseth him, as we see afterwards.