Can't withdraw money and scam

I participate in profit sharing investment with Rosystyle Wealth in Vietnam. On November 16. 2021, I withdrew 4000 USD but could not withdraw. I contacted the financial management department named Wealth Assistant Zarina (name on Ngoc Bich's personal email) and was told that the bank was in the process of liquidation, audit... in general for any reason. On November 18. 2021, the 4000 USD Rostyle Wealth returned to my MT4 account and they sold out my account nearly 18,000 USD by themselves. I contacted Ngoc Bich and she answered to find out the reason is that my capital is too small. She promised to let it go and so far still have not made the refund according to the original commitment and locked the information and cannot be contacted. I see signs of “scam” and “fraud” in the transaction when I withdraw all my money. I asked Rosystyle Wealth and Wealth Assistant Zarina (Ngoc Bich) to compensate me 18,000 USD and warn everyone know that Rosystyle Wealth broker is "scam". Everyone who has had a transaction with this broker and was scammed like me should join together to report it so that the authorities can investigate the appropriation of assets of the Rosystyle Wealth platform.