I don't know if it's a multiple choice question or not, but these are some words that would work. Secretive, cryptic, introverted, shy, or uncommunicative. By the way you spelled because wrong.
He kills them because he is ambitious and wants to do anything to become king. After that, he becomes insane and sees ghosts. In the end, he is killed because of his tragic flaw.
An antagonist of a story or movie is always the person who provides the conflict because the oppose whatever the protagonist is proposing.
For example there is a referee that says congress on him franklin d. roosevelt pointing to a group of other football players that is the judicial branch. fdr wanted to stack the supreme court because they thwarted some things. he tried to do. he actually tried to get a number of constitutional amendments, such as letting him replace justice.
I think it's (C)Academic Achievement.Hope this helps.