Isaiah 3:3
the captain of fifty, and the honourable man, and the counsellor, and the clever among artificers, and the one versed in enchantments.
Exodus 4:10
And Moses said to Jehovah, Ah Lord! I am not eloquent, neither heretofore nor since thou hast spoken to thy servant, for I am slow of speech and of a slow tongue.
Exodus 4:14-16
Then the anger of Jehovah was kindled against Moses, and he said, Is not Aaron the Levite thy brother? I know that he can speak well. And also behold, he goeth out to meet thee; and when he seeth thee he will be glad in his heart.
Exodus 18:21
But do thou provide among all the people able men, such as fear God, men of truth, hating covetousness; and place them over them, chiefs of thousands, chiefs of hundreds, chiefs of fifties, and chiefs of tens,
Deuteronomy 1:15
So I took the chiefs of your tribes, wise men and known, and made them chiefs over you, captains of thousands, and captains of hundreds, and captains of fifties, and captains of tens, and officers for your tribes.
Judges 8:18
Then he said to Zebah and Zalmun'na, "Where are the men whom you slew at Tabor?" They answered, "As you are, so were they, every one of them; they resembled the sons of a king."
1 Samuel 8:12
and he will take them that he may appoint for himself captains over thousands, and captains over fifties, and that they may plough his ground, and reap his harvest, and make his instruments of war and instruments of his chariots.