Having a bad time with a user of my product

Am really having a bad time with some pirate (Apparently am not suppose to mention names but this people IMHO should be named and shamed) who downloaded my project from a nulled site and keeps on asking help and threatening to sue and some other crap. How do I report this user to envato so that they can take action against him?

Report the abusive user here: https://help.market.envato.com/hc/en-us/requests/new

Just flag/delete any messages from them. Ignore them. Don’t waste time replying. Just spend time improving your product for verified buyers.