Melmastia is the requirement by what non-written ethical code which the indigenous Pashtun people follow?
Melmastia: Melmastia, or hospitality, is the requirement Pashtunwali places on all its tribesmen towards others, whether they are strangers or members of one's own tribe. Pashtunwali: Pashtunwali (Pashto: پښتونوالی‎ ) or Pakhtunwali is a non-written ethical code and traditional lifestyle which the indigenous Pashtun people follow.
Pashtunwali