The PNC must feel so worthless that they don't possess the qualities that moves people to vote for them in convincing numbers. To make up for this, they have to always resort to underhand tricks and rigging.
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 .