Moses chose able men from all Israel and made them heads over the people, leaders of thousands, of hundreds, of fifties and of tens [from the highest to the lowest judicial levels].
Then the leaders of Israel, the heads of their fathers’ households, made offerings. (These were the leaders of the tribes; they were the ones who were over the men who were numbered.)
“When you make a vow to the Lord your God, you shall not delay to pay it, for He will most certainly require it of you, and a delay would cause you to sin.