Chapter #4: Jack begins camouflaging his face with clay
face paint in Chapter 4: "Painted Faces and Long Hair".
What kind of impact does this have on Jack? In other
words, how does the face paint change Jack?

It represents him transitioning from being a civil human being into becoming a savage who does what he needs to to survive. In other words, he is becoming like a wild animal.

on the first day of new student week, amber revealed to her roommate that she is a lesbian. this is an example of self-disclosure.