"The ones who used to eat a lot of expensive food"
# now starve in the streets
These people no longer have homes, so they live outside along the streets.
# those who were brought up wearing purple clothing
Wearing purple clothes was a sign that a person was wealthy. This can be stated in active form. AT: "those who grew up wearing purple clothing" or "those who wore expensive clothing when they were growing up" (See: [[rc://en/ta/man/translate/figs-activepassive]])
# now lie upon piles of garbage
These people no longer have homes and soft beds, so they sleep on piles of garbage.