My mother is gambling away every last penny -- and her financial independence. What should I do?

I worked as a caregiver to a older man money wasnt a problem but he always wanted to marry me or leave all to me i was honest but the gambling the machine dont care try to get a caregiver outside the familey to work with her i know first hand i done more with my boss and he thought we were friends more than a working couple we became b est friends and i keep him active each day where he would live a long life now my mom has this so i see both sides ,good luck