What Kind of Problem Is "Built Into" Being a Bigman

What kind of problem is "built into" being a bigman?

A) The bigman must negotiate with other bigmen and must travel long distances.While he (or she) is away,the tribe often rebels.
B) The bigman gives large amounts of goods to his competitors in order to shame them and reduce their prestige.This leaves little for his (or her) followers.
C) The bigman must marry many wives and have many children in order to increase his (or her) support.The bigman cannot afford this.
D) The bigman must be an elder and does not have a long life span.This makes leadership ever changing.
E) There are no inherent problems in being a bigman.