Our captain. — The word used is katzin (Joshua 10:24; Isaiah 1:10; Isaiah 22:3), which is specially a leader in time of war; but Jephthah demands something more — namely, to be their “head” (rosh) in time of peace also.
Related Commentaries of Judges 11:6
Judges 11:6
6 And they said unto Jephthah, Come, and be our captain, that we may fight with the children of Ammon.