Because, They don't have another money, or people doesn't really care about them. The poor have struggles to have medical attention how they life style is like. It's hard for them to get enough medical attention, and, that's why sometimes people need to donation some money that the poor can get food, fresh water, medicine they need. Sometimes when people try to help Mother Nature comes in.. and, ruin everything. Soooo... yeah.
Hopefully, this helps you!!