A character analysis involves you analyzing a character's traits, their role in the story, the conflicts that they face, how they change.
Jack London was the author of "To Build A Fire"
If the word is very harsh such as “idiot, a*shole, b*tch, hate, etc” it can hurt other people’s feelings and can effect them in multiple ways. some ways are very negative such as self harm, depression, anxiety, very low self esteem, etc. words have a lot of effects on others depending on how they take it.