In the middle of the night an armed band had raided the room, and wounded Kasim, the man on guard.

半夜，一伙武装人员突袭了房间，打伤了守卫卡西姆。

And they had need to fear, since they — i.e., the rulers of society — were dwelling like an armed band in a hostile country.

他们需要恐惧， 因为他们——即社会的统治者——就像一支武装部队在敌对国家居住。