The Question and Answer section for Untouchable is a great resource to ask questions, find answers, and discuss the novel.
What chapter are you referring to?
Check out the themes link below. All of them deal with issues of sociology.
Untouchable people are found various cultures but is very pronounced in India because of their Hindu caste system. There is nothing good about systematically abusing a group of people. It is a flawed and inhuman concept that unfortunately exists...