To be a prisoner means to be defined as a member of a group for whom the rules of what can be done to you, of what is seen as abuse of you, are reduced as part of the definition of your status.

The amendment defined pornography as a civil rights violation against women and allowed women who claimed harm from pornography to sue the producers and distributors for damages in civil court. Butler [1992] 1 S.  Citation has no title
Are Women Human?: And Other International Dialogues.