Answer:
Meg is the protagonist and the story and went through many changes.
Explanation: In the beginning of the story she is very timid, shy, insecure, and awkward. She has many issues when it comes to self-worth because she get's bad grades in school, she's constantly compared to her parents, and she tends to be quite immature. In chapter 1 on page 3 one of the girls tells her "After all, Meg, we aren't grammar-school kids any more. Why do you always act like such a baby?" because Meg decides to go a little crazy during lunch. But, at some point she decides to step up and try to find her father but is taking care of her little brother at the same time. She opens up and is willing to try new things and trust and love people as well as overcomes he fears.
In the text it says, "She taught me my scales and exercises, too, on the little parlor organ", "I struggled with the 'Harmonious Blacksmith'", and "<span>I had been doggedly beating out some easy passages from an old score of 'Euryanthe'". The boy mostly practiced scales and exercises, but he also played "Harmonius Blacksmith" and "Euryanthe".</span>
You have to write about the nature of human being means how cruel they are
Answer: I don't think I'm allowed to write an essay for you, but I can give you some websites that might help form your essay.
https://www.sparknotes.com/shakespeare/romeojuliet/summary/
https://www.shakespeare.org.uk/explore-shakespeare/shakespedia/shakespeares-plays/romeo-and-juliet/
https://www.myenglishpages.com/english/reading-romeo-and-juliet-summary.php
Also, these are a few websites that can help you get a good grade:
https://rewordify.com/
https://www.paperrater.com/
http://www.essaytyper.com/