1. You have told us nothing about the student loan at issue, and we know nothing about the bankruptcy or claims made in the bankruptcy, so we can't answer that.
2. You weren't a party to the bankruptcy, nor are you a creditor. You signed a contract with the lender saying, in effect, "If the borrower is unable to pay for any reason, I'll pay the debt" - that's why you're on the hook.
3. Bankruptcy; attempting to negotiate with the creditor; sharing enough information about the loan and bankruptcy that somebody here might be able to figure out what happened; sharing that information with a lawyer....

