he works for you because he lost you in a war. Now he was no longer the king that many feared. He is a hot-tempered servant but he cleans very well, so only you and him live in the same castle, because he is too good at cleaning, the other servant has left

Barou : cleans up but crows, frowns on your face, harsh voice That owner, you are so dirty but still lazy, I don't understand how you can master me💢