The main focus of the pictures are poor people. I know that as all the pictures shows people that they are living in very bad conditions, or working odd jobs.
The pictures are set such that the people look poor, and look like they like they are homeless.
I think that the story that lies behind these pictures are that there are many people who are poor and are living in the streets. This is common in backwater countries, where the government barely has money to support itself.
The message is that the photographer wants us to know that there are people out there who are not so rich, and the photographer tells us to appreciate what we have.
I like that the photographer has successfully conveyed the message he or she wanted to tell to us. I would do something different though. I would take some pictures of the poor people, as well as pictures of rich people, so that the viewer can easily compare between both living conditions.