I need to create a marketing campaign to report webmediaexpert scammer

3 month ago i sign in freelancer.com website. then i do business with user WEBMEDIAEXPERT. I pay 1.200 usd for something never works and now AMARJEET (the CEO of webmediaexpert) doesnt answer my emails and always have excuses. The whatsapp message system they sell doesnt work. All my sim cards where blocked and in more than 2 month i have no answer and no solution. Now he dont want to return my money. I think he is a scammer. I want to build a website who explain this story and in that way help others freelancer users and worldwide people avoid become a webmedia and amarjeet victim. I've doing business since 2001 and this is the first time i meet someone like this scammer. I will build the website, so I will need: - SEO to index the better way as possible my website in google - consulting in how to expose this story to others freelancer websites - any marketing solution you may think Regards, Daniel