I found this, maybe an alternative approach. Forclose on his business if it exists. Get the court order and perhaps open his eyes and wallet to get your deal resolved. Interesting tactic I have to admit. Video included below.
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 .