'Sir' in the Bible

"No, sir! Please, as a godly man, don't mislead your servant!" But the woman did conceive and did bear a son at that very same time the next year, just as Elisha had told her.

"Why are you crying, sir?" Hazael asked. "Because I know the evil that you're about to bring on the Israelis," he replied. "You'll burn down their fortified cities, execute their young men with swords, dash to pieces their little ones, and you'll tear open their pregnant women!"