'People of the Lord' in the Bible

And they mourned, wept and fasted until evening - for Saul, and Jonathan his son, and for the people of the LORD, and for the house of Israel, because they were overthrown with the sword.

But David said again to Michal, "I thought to dance before the LORD - which chose me, rather thy father and all his kin, and commanded me to be ruler over all the people of the LORD, even over Israel.