@b05df304  caste system 
it’s horrible system, but It’s more of a Hindu social class system then master race based ideology, it’s Hindu India’s version of European feudalism system. 
Look up how the British exploited that system to divide and conquer India.  Ghandi
His is British educated,
that’s more of the British education racist undertone.

Note, Kaffir has noting similar with “nigger”. 
In Islam, Kaffir mean someone who rejected the believe in God. It’s more like Atheist. It is big deal when someone is labeled as kaffir, because the punishment is death.  Korean state media

I believe that american media said more racist claims about Obama then Korean state media. 
This has nothing to do with Korean culture, beliefs or treatment of other civilizations.