Beloved Tyrant

I took in a knight who was about to be executed for taking part in a rebellion as my s*ave.

I tried to return his status as a noble and duke, but..

"Please do not refer to me as "sir". I am not a knight. You needn't speak formally to me either. I am not a noble."

"...."

"I am simply Your Highness' slave."

Somehow, he is being strange.