I don't care about what you do in the 'privacy' of your own home. [=I don't care what you do when you are at home by yourself or with your family]
She felt that the guard's request to search her was an 'invasion of (her) privacy'. [=she felt the search did not respect her privacy]
Celebrities have a right to 'privacy'.
(..) Their adventure, that's for sure. Shall we go for a wander, eh? Let's go down to Bag End. Actually, coming down into Bag End. Yes. Bilbo has no privacy. WOMAN: Look at that. MAN: Yeah. When we shot Ian in London, we kind of-- The idea was that he came out of this doorway. (..)2012 The Hobbit: An Unexpected Journey