Sentence:  It is the women who, suffering a kind of <WSD>self-rape</WSD> (they consent to be violated?), are victims of evil and, in the play's terms, carriers of it too, revulsed and yet intimate with corruption, while the Knights – for all their blustery self-exculpation –are merely a murdering machine. 
Meaning of the word marked with <WSD> tags:  Submission to an unwanted sexual act.