'People of the Lord' in the Bible

And till evening they gave themselves to sorrow and weeping, and took no food, weeping for Saul and for Jonathan, his son, and for the people of the Lord and for the men of Israel; because they had come to their end by the sword.

And David said to Michal, I was dancing before the Lord, who put me over your father and all his sons, to make me a ruler over the people of the Lord, over his people Israel: and I will go on playing before the Lord;