I don't know of a way to do this=( All of our store window customization options can be found at Auctiva -> Store(tab) -> Store Window -> Edit Store Window.
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 .