> how to cut someone to size

This, thankfully, only works when the recipient of the cut-down lacks self-assuredness.

If Mr. New-Money Castle Owner wears pride in knowledge & expertise on his sleeve, then no amount of snobbery will have an impact.

Have you ever read "Remains of the Day?" Not sure how close to reality it is, but it's a fiction book about the servants culture of those who worked for British aristocracy in the mid-20th century. I can see how a true British aristocrat would only have servants enter the kitchen.