'Leader' in the Bible

Son of man, say to the leader of Tyre: Thus said the Lord Jehovah: Because thy heart hath been high, And thou dost say: A god I am, The habitation of God I have inhabited, In the heart of the seas, And thou art man, and not God, And thou givest out thy heart as the heart of God,

I turned it over to the leader of those nations, who dealt with it thoroughly. I have driven it away because of its wickedness.

“Son of man, take up a dirge (funeral poem to be sung) over Pharaoh king of Egypt and say to him,‘You have compared yourself to a young lion among the nations,But you are like a monster in the seas;You burst into your riversAnd disturbed and muddied the waters with your feetAnd fouled their rivers [the source of their prosperity].’”

And I, Yahweh, I will be for them {as God}, and my servant David [will be] a leader in the midst of them. I, Yahweh, I have spoken.

They will live in the land that I gave to my servant Jacob and on which your ancestors lived. They will live in that land, along with their children and grandchildren, forever. David my servant will be their everlasting leader.

"Son of Man, turn your attention toward Gog, from the land of Magog, leader of the head of Meshech, and of Tubal. Prophesy this against him:

"This is what the Lord GOD says: "Watch out! I'm coming after you, Gog, leader of the head of Meshech, and of Tubal.

"Now as for you, Son of Man, prophesy against Gog and tell him, "This is what the Lord GOD has to say: "Watch out, Gog, you leader of the head of Meshech and of Tubal!