Wrong you Id!ot

Dasyu DO NOT mean Atheist
Dasyu means criminals, oppressors, robbers, thief etc.

This word is used in Manusmriti 7,143

विक्रोशन्त्यो यस्य राष्ट्राद्ह्रियन्ते दस्युभिः प्रजाः ।संपश्यतः सभृत्यस्य मृतः स न तु जीवति

Used for robbers and Criminals(terrorists) https://twitter.com/ImtiazMadmood/status/1281908670121611265

One who destroys or takes away things belonging to others, other's properties, vehicles etc are called "Dasyu"

It do not mean Atheist.

Second manta uses word अराव्णः it is made from रा दाने
So अराव्णः means a person who is Parasite , takes away things of others a criminal etc

DO NOT mean atheist

See Acharya Sayana's Bhashya on this
It talks about Papi(Sinners) and meaning of Dasyu has been explained already.

I had already refuted these claims earlier but still they keep bringing same things.