Anna, how could the owner of this cherub like face be capable of all the nasty things you claim, just look at that smile. After all this is the face that "inspired" a generation...
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .