Your question doesn't make sense to me. Perhaps she should ask.

These are questions to be asked of your lawyer. This is not a DIY project.

You can't. They own the mall, and can bar anyone they want.

Can he sue? Yes. Will he? Who knows? Will he win? Up to the judge.

You should not post details on an open Internet forum. Hire an attorney.

Scam...................................................................

This is common and perfectly legal..........

We can't explain in a few sentences what it takes years to learn.

After 20 years you can't do anything. Move on.

Up to your parents............................