'Prince' in the Bible

And the king said unto his servants, Know ye not that there is a prince and a great man fallen this day in Israel?

In times past, when Saul was king over us, it was thou that leddest out and broughtest in Israel: and Jehovah said to thee, Thou shalt be shepherd of my people Israel, and thou shalt be prince over Israel.

And David said unto Michal, It was before Jehovah, who chose me above thy father, and above all his house, to appoint me prince over the people of Jehovah, over Israel: therefore will I play before Jehovah.

Now therefore thus shalt thou say unto my servant David, Thus saith Jehovah of hosts, I took thee from the sheepcote, from following the sheep, that thou shouldest be prince over my people, over Israel;