'Rulers' in the Bible

And it came to pass, that on the sixth day they gathered twice as much bread, two omers for one man: and all the rulers of the congregation came and told Moses.

Moreover thou shalt provide out of all the people able men, such as fear God, men of truth, hating covetousness; and place such over them, to be rulers of thousands, and rulers of hundreds, rulers of fifties, and rulers of tens:

And Moses chose able men out of all Israel, and made them heads over the people, rulers of thousands, rulers of hundreds, rulers of fifties, and rulers of tens.

And Moses called unto them; and Aaron and all the rulers of the congregation returned unto him: and Moses talked with them.

And the rulers brought onyx stones, and stones to be set, for the ephod, and for the breastplate;