Caste

is a form of characterized by  (the tradition of only marrying within a specific social or ethnic group), hereditary transmission of a style of life which often includes an occupation, ritual status in a hierarchy, and customary social interaction and exclusion based on cultural notions of purity and pollution. Caste-like stratification is sometimes used to describe the separation of ritual in the church of Agrik into Low, Middle and High Disciplines. On Terra the example of the division of India’s society and  into rigid social groups, with roots in  ancient history and persisting to the present time, is considered the prime example of an explicit cast system within a society.

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