leveller
noun [ C usually singular ] mainly UK (US usually leveler) uk/ˈlev.əl.ər/ us/ˈlev.əl.ɚ/
人人平等的事情，人人都要面对的事物；（尤指）死亡
something, typically death, that affects people of every class and rank in the same way, making everyone seem equal
death, the great leveller 死亡，人人都要面对的东西