Neither does she. Sadly, it may well take being raped and found bleeding in the gutter for her to realize: evil exists, her life has value, and it's up to her to be the first to defend it (if she finds it of value). Without that, there's not much you can do.
Point her in the direction of some of the discussion threads, here. Consider Lima's posts, or the web site that Pax has put together. Those might be a start.