Noblesse oblige is the name for this concept: that traditionally, the wealthy were socially obligated to "give back". This kind of "social obligation to share

Noblesse oblige is the name for this concept: that traditionally, the wealthy were socially obligated to "give back". This kind of "social obligation to share within the group" behaviour is seen all over the Animal kingdom too, not only in humans. The difficulty comes in scale and abstraction as we see today.