Just to clarify, all of the programs on the CEBC website provide information on what is in their entry, give input into what topic area they are posted in and review it before it is posted.
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 .