Samuel is the antecedent, and his is the pronoun that refers back to the antecedent.
It would be "A character with a very simple or two-dimensional personality." and "a character who doesn't change throughout the story." Hope this helps! ^-^
Well if its a "real word" may depend on dialect, or where your from specifically. There are many words in Texas not really recognized as "real words" like "y'all" or many things like that. Perhaps it is a word somewhere. But I have never heard it. Remember, language is like a liquid, always shifting, and changing.
Answer:
you read the question again so that you understand what exactly is being asked of you. you can justify an answer by reading the information that you have and finding things that support your claim
