I wonder what the Islamic jurispudence behind this is given that enslaving other Muslims is pretty explicit haram afaik, but then again Afghan Islam is like Che

I wonder what the Islamic jurispudence behind this is given that enslaving other Muslims is pretty explicit haram afaik, but then again Afghan Islam is like Chechen Islam in that it is built on top of the original moral systems (Pashtunwali/Vaynakh)