My Sister co-signed my student loan and it's ruining her life

I am a 25 year old male and I am the beneficiary of a $33k student loan under my mom and sisters names. They were unaware of the loans starting, so to start off the loan we are already delinquent. It severely damaged my mom and sisters credit. We got a forbearance for the payments, but my sister can't get approved for a mortgage because of the loan being in her name, how do I help her/ get the loan in my name instead?