Hello, I believe you've spoken over the phone to one of our support staff, so i just wanted to clarify and update this post, that you got the answers you need, correct? Thanks!
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 .