My question is about Hoarders?

My brother is a terrible hoarder.
The house he lives in is a torrid mess.
I an staying w him a few days for he had a stroke. He's recouperating yet seems to think in his own reality. He's been this way, yet gotten worse. He has debts terrible I'm at a loss here.
The house he lives in is our family house we grew up in..
It's heartbreaking 💔.

Any insight would be appreciated!