Burakumin (or Hisabetsu Burakumin) have been discriminated against in Japan and have been associated with:
a. Occupations that are considered "filthy" such as butchering, tanning, grave digging.
b. The development of Hokkaido in the late 19th century
c. Occupations that are considered "sacred" such as purification rites at shrines and weddings
d. The first group of immigrants to come to California in 1869