untouchable (Indian caste system)
Refers specifically to the Dalit community in the historical Indian caste hierarchy. The term ハリジャン (Harijan) is a related but distinct term popularized by Gandhi; 不可触民 is a direct translation of 'untouchable' and may carry a more academic or descriptive tone.
See also: ハリジャン
In Indian history, untouchables faced severe discrimination.