'Rulers' in the Bible

Give attention, O kings; give ear, O rulers; I, even I, will make a song to the Lord; I will make melody to the Lord, the God of Israel.

Come, you rulers of Israel, you who gave yourselves freely among the people: give praise to the Lord.

Then three thousand of the men of Judah went down to the crack of the rock of Etam, and said to Samson, Is it not clear to you that the Philistines are our rulers? What is this you have done to us? And he said to them, I only did to them as they did to me.