Most times the average citizen knows what they've been taught on chronic illnesses from tv shows, teachers, co workers maybe, etc. Theres no telling what each and every citizen knows on it. I dont know if this was a personal question or if you were looking for something specific but i hope this helps?
5. The person may say mean things to you through text messaging. That's cyberbullying. Or they can walk up to your house and hurt you physically or mentally.
6. I would advise Lin to tell a trusted adult ASAP and wait for instructions on how to handle it or tell them no and carry on with your day. Whichever makes you feel safest.
7. If you use the methods given, you can keep yourself safe online and at home.
Hope this helps!
The answer is evolutionary!
I hope I was able to help. :)