In India, we just call them untouchables.
These were one the caste known as untouchables.
这个阶层被看做是“不能触碰的人”（untouchables）。
Das is a dalit, a member of the caste formerly known as untouchables.
Dalits, formerly known as untouchables, form the lowest rung of India's caste hierarchy.
Invisible criminals are particularly inaccessible, and society has no intention of forming a secret alliance among the untouchables.
But also they were outlaws, enemies, untouchables, doomed with absolute certainty to extinction within a year or two.
Prasad became an economic liberal after seeing what he interpreted as the dramatic effects of 15 years of economic reform on the economic opportunities of the untouchables.
Caste discrimination is still drearily evident in the wretched lives of dalits, formerly “untouchables”, who remain India's poorest and least educated people.
His first lecture in India was on the verge of collapse because he had placed a large number of untouchables there.
