What is a member of the lowest or working Hindu caste called?
Correct answer: Shudra

Coo
Where would the so called higher classes be without the workers who do the messy, mundane and onerous tasks?

Coo
Where would the so called higher classes be without the workers who do the me

Ashkul
Basically it was a means of dividing work and all were equal. Subsequently the invaders used to create a high and low level version to suit their nefarious schemes.