Why do you think untouchability is an evil custom?

Untouchability is a social evil because the backward classes are denied the very fundamental rights, which are guaranteed to each and every citizen by the Constitution. ... Untouchability alienates people from the social structure and hinders the progress of the society as a whole

swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.