'King Over Israel' in the Bible

So all the elders of Israel came to the king at Hebron. King David made a covenant with them at Hebron in the Lord’s presence, and they anointed David king over Israel.

Then David knew that the Lord had established him as king over Israel and had exalted his kingdom for the sake of His people Israel.

When the Philistines heard that David had been anointed king over Israel, they all went in search of David, but he heard about it and went down to the stronghold.

Nathan replied to David, “You are the man! This is what the Lord God of Israel says: ‘I anointed you king over Israel, and I delivered you from the hand of Saul.

David answered, “Sons of Zeruiah, do we agree on anything? Have you become my adversary today? Should any man be killed in Israel today? Am I not aware that today I’m king over Israel?”