1, your behavior is occupation, and 8000 yuan has reached the standard of filing a case, so you have violated the crime of occupation in criminal law, but your occupation amount is not enough to go to jail, and the maximum penalty is about 6 months' detention.
Your company's behavior obviously violated the criminal law, restricted the freedom of life and abused the parties. You can ask a local lawyer to report the case to the local public security organ immediately.