'Lord's' in the Bible

Then David said to him, “How is it you were not afraid to stretch out your hand to destroy the Lord’s anointed?”

David said to him, “Your blood is on your head, for your mouth has testified against you, saying, ‘I have killed the Lord’s anointed.’”

David became angry because of the Lord’s outburst against Uzzah, and that place is called Perez-uzzah to this day.

Now David called him, and he ate and drank before him, and he made him drunk; and in the evening he went out to lie on his bed with his lord’s servants, but he did not go down to his house.

and sent word through Nathan the prophet, and he named him Jedidiah for the Lord’s sake.

But Abishai the son of Zeruiah said, “Should not Shimei be put to death for this, because he cursed the Lord’s anointed?”

And David said to Abishai, “Now Sheba the son of Bichri will do us more harm than Absalom; take your lord’s servants and pursue him, so that he does not find for himself fortified cities and escape from our sight.”