It's a very long time to read a word "burakumin." I think there is a difference between them and the other minority groups like Ainu people and Ryukyu islander. Though the other groups have their own cultures and customs, they don't have such ones. In other words, they are the same tribes as we are. So, why did they have to be insulted? The origin of burakumin is being discussing among the researchers. But, the most reliable theory is that the origin is related to their ancestor's jobs. In kamakura era, some people worked as disposers of dead domestic animals and executioners. These common peculiarity is no one else wants to do them. therefore,
the disposers are hated by people in the village. Gradually, they got to live away from the village.
therefore, the villagers considered the place they lived as a horrific one. It continued until the Meiji government declared the abolition of social status systems. But, the consciousness of discrimination against people from the buraku regions were taken root in people's mind. It affected the marriage and getting jobs for them. Now, the problem seems to be settled, but it is continuing the small regions. It is difficult to get information about it because mass communication rarely report about it. but, we should know about it to learn our history properly.