Talk to your parents. You must be 18 to use this site.

You can represent yourself. Only a lawyer can represent you otherwise.

Of course they can. You admit you are not entitled to the money.

This is really a question for a recruiter, not for lawyers.

That is solely a question for your lawyer, who knows all about your case.

Whether you sign isn't the issue. You owe the money.

What you can do is hire the best lawyer you can afford. This is not a DIY project.

It will cost more to sue than you could ever recover.

Please see the prior answers to your duplicate question.

This is a customer service issue. Not a legal issue.