"and there before me was a black horse! Its rider was holding a pair of scales in his hand. Then I heard what sounded like a voice among the four living creatures, saying, "Two pounds of wheat for a days wages, and six pounds of barley for a day's wages, and do not damage the oil and the wine!"

Famine, hunger, resource struggles, gluttony, opulence, domination by the wealthy

Beasts of the earth?
Extort