Cannot withdraw after deposit and require margin

I met an unknown man on ig, first cared about your work, your mood, and asked money-related questions, said that you can take me for extra income, and even sent me a photo to make me believe that he can take out the follow-up fee smoothly when he first made a deposit. When I took it out, I kept asking for a margin. I tried to make me keep adding funds. Now it says that a private equity firm has entered the market to disrupt the market. I suspect that I am also an insider of the private equity firm. I have been asked to give a 20% margin of the withdrawal amount. can come back