And soon she may have to default, as her money is running out. My father fears that the credit card company may try to get the money she owes from him, because she has spent some of the money on his house, (to put in a railing so she can walk.)
Can the credit card company try to get my fathers money, or home, and if so can he protect his money and home by putting it in a trust? If so, how does he do that?

unless they have joint credit card accounts they cant do spit