There has probably been a question like this before (it makes me uncomfortable to think about so I hope you don't mind me asking) but in the underground would Isabel have had to be cautious of sexual predators? I remember in ACWNR one of the people chasing her made a comment alluding to that idea. Actually let me rephrase, would all three of them (Isabel, Farlan and Levi) need to have been cautious of that kind of thing? Did they have close calls? You don't have to answer this, if you wish.
Crimes of any sort were always something to look out for, even for the trio. If I remember correctly there even was a scene in acwnr that heavily implied Isabel has been raped or at least harassed.