Ethnical

a.
  1. Belonging to races or nations; based on distinctions of race; ethnological.
  2. Pertaining to the gentiles, or nations not converted to Christianity; heathen; pagan; -- opposed to Jewish and Christian.
  3. of or pertaining to a group having a distinct racial, cultural, religious or linguistic character; as, ethnic differences within a population can cause civil war.
  4. being a member of a distinct racial or cultural minority within a larger population; as, ethnic Chinese own most of the businesses in Indonesia.