My parents (who are married) have always been quite poor. One parent works and the other hasn't due to a combination of poor mental health and the belief that they shouldn't have to work.
During my childhood we were very poor/low income. Now I would say my family is fairly comfortable but with no savings or safety net.
The unemployed parent has a terrible attitude with money and has a credit card, despite not having an income to pay the bill each month. In the past, they would 'borrow' money from their parents (who have now passed away), now they ask 'borrow' money from me and my siblings. For context, they would even borrow our birthday and Christmas money growing up and sometimes it would not be paid back as we would forget.
They keep asking me and my siblings to 'borrow' the money to pay the credit card bill, but I know it probably wouldn't get paid back. I feel extremely guilty, especially for my other parent who is also burdened by this bill despite working full stop and being frugal with what they spend. I could afford to help them pay it, I have enough disposable income. I also feel guilty as my other parent has supported me financially in the past.
I think I would also feel more inclined to help if the credit card was used for necessary purchases, but it's wasted on rubbish with nothing to show for it.
What would you do?