Monomial is an expression consisting of only one term.
She's ready to break the law because the free "people" (animals) among the jungle don't stand up and speak their minds. Her motivation is purely within the fact that none of the "free people" speak against the ruler or the rules of the jungle in fear that something bad will happen to them.
In stories it is getting more and more popular not to give the protagonist a real name. Throughout history, we have gotten used to the stories with the familiar names, like Harry Potter, William Tell, Pippi Longstocking, etc, but now we live in different times. The nameless man is now in stories. Why?
C. The author wants the message of the story to apply to everyone, not just the main character.
This could be a reason to keep the protagonist unnamed, but also for keeping the focus on the message in the story and not the person perse.
I would suggest Thor HyerDahl, you should look him up and see what you think, he went on many expeditions so do a bit of digging and you'll have a lot of information.
He didn't leave his house for 15 years.