A Tamil word for "drummer" gave us this term for a social outcast; it's also a member of a low caste in India
The word pariahoriginally derived from Tamil paraiyar, drummer
once... [DOC] [TLE] pariah - definition of pariah in English | Oxford Dictionaries [PAR] 2historical A member of an indigenous people of southern India originally 
functioning as ceremonial drummers but later having a low caste.