how does Andy Mulligan show poverty in trash?

aphael, Gardo, and Jun are synonymous with trash, as they are dumpsite boys who have been confined to that role by society and they are not expected to be able to transcend that role in their life. As such, they are certain expectations that go along with being trash, as someone who spends the entirety of their life, from childhood to adulthood, sifting through garbage and trying to find something worthwhile.