I'm sorry to hear this is happening to you. Unfortunately, there is nothing you can do at this point. As Sellers, we have no protections and if Buyers want to abuse and harass you and demand extra while also giving you a 1-star review, you have to endure this. I can tell you that other Sellers also endure this on Fiverr and that we can relate to your struggle, but there is nothing that we can do to protect ourselves from this. There is a massive debate going on across the forum, more specifically in these posts: