'Sir' in the Bible

So Jesus went with them. He was not far from the house when the centurion sent friends to tell Jesus, "Sir, stop troubling yourself, because I'm not worthy to have you come under my roof.

But the gardener replied, "Sir, leave it alone for one more year, until I dig around it and fertilize it.

The servant said, "Sir, what you ordered has been done, and there is still room.'

The first servant came and said, "Sir, your coin has earned ten more coins.'

"The second servant came and said, "Your coin, sir, has earned five coins.'

"Then the other servant came and said, "Sir, look! Here's your coin. I've kept it in a cloth for safekeeping

They answered him, "Sir, he already has ten coins!'