It Was a Drum, Not a Disgrace
In Tamil, "parai" means drum. The Paraiyars were the people who played it — town criers who beat the drum to announce decrees, mark festivals, and carry news across villages. That's the actual origin. Not "outcast." Not "rejected." A drum.
English Didn't Inherit This Meaning — It Invented It
The "outcast" meaning of "pariah" doesn't come from Tamil. It comes from colonial Europeans who showed up in South India, talked mostly to upper-caste informants, and wrote down a version of Tamil society that suited their own frameworks. They took a community name, ignored its actual meaning, and turned it into a label for moral failure. That's not etymology — it's prejudice dressed up as scholarship.
The People It Refers To Have Already Rejected It
Tamil Dalits and scholars stopped using "Paraiyar" as an identity label generations ago. They fought for and won the right to be called Adi Dravida, Scheduled Caste, Dalit — terms that carry dignity instead of stigma. The Madras Legislative Council censured the use of "Paraiyar" as a caste label back in 1914. That's over a century ago.
So the situation is this: the community has moved on, the scholars have documented the harm, and the word still sits in English dictionaries without an adequate warning label. When a journalist writes "pariah state" or a commentator calls someone a "pariah," they're using a real community's name as a synonym for disgrace — and the dictionary tells them that's fine. It shouldn't be.