See an attorney. Why don't you involve Adult Protective Services? Perhaps you need a guardian/conservator who is not your mother?

Report to the police and adult protective services....................................................

You are missing more of the issue than you know. Go see an elder law attorney immediately...............................................

If there has been no adjudication of Aunt’s competence, then Aunt retains all her rights and freedoms and can go where she pleases. See an elder...

Agree that the trustee may need to resign due to conflicts. See an estate or fiduciary lawyer..........................

Have you tried applying for disability, which includes Medicaid as health insurance?.....................................

If the sister took the house and the bank account, then perhaps she was the beneficiary of the bank account. Possibly Father transferred the house...

No, you are not responsible for another person merely because you help them........... You may want to consult an elder law attorney to ensure...

Ask NJ Medicaid. Generally, to obtain free items, you must comply with the government’s requests..................................

Paying taxes does not = ownership. Children of owners inherit. At best tax payments might be reimbursable to daughter, but probably not if...