'Leaders' in the Bible

Go, gather the elders (tribal leaders) of Israel together, and say to them, ‘The Lord, the God of your fathers, the God of Abraham, of Isaac, and of Jacob, appeared to me, saying, “I am indeed concerned about you and what has been done to you in Egypt.

Now on the sixth day they gathered twice as much bread, two omers for each person; and all the leaders of the congregation came and told Moses.

But Moses called to them, and Aaron and all the leaders of the congregation returned to him; and he spoke to them.

The leaders brought onyx stones and other stones to be put in settings for the ephod and for the breastpiece,