Exodus 18:21 "Furthermore, you shall select out of all the people able men who fear God, men of truth, those who hate dishonest gain; and you shall place these over them as leaders of thousands, of hundreds, of fifties and of tens.

Exodus 18:25 Moses chose able men out of all Israel and made them heads over the people, leaders of thousands, of hundreds, of fifties and of tens.

Numbers 7:2 Then the leaders of Israel, the heads of their fathers' households, made an offering (they were the leaders of the tribes; they were the ones who were over the numbered men).

Numbers 16:2 and they rose up before Moses, together with some of the sons of Israel, two hundred and fifty leaders of the congregation, chosen in the assembly, men of renown.

Numbers 26:9 The sons of Eliab: Nemuel and Dathan and Abiram. These are the Dathan and Abiram who were called by the congregation, who contended against Moses and against Aaron in the company of Korah, when they contended against the LORD, (NASB ©1995)