7) The Lord of All Creation; he believes that Montag is acting as God.
8) Fire is the all consuming element of the story... I don't think Bradbury would ever have considered killing him any other way.
9) "Soon after killing Beatty, Montag realizes Beatty wanted to die. He made no effort to avoid the flames. Here, Bradbury acknowledges that even people involved in oppression can know their actions are wrong, but are too weak to fight against them. Therefore, Beatty's death is truly one of self-destruction. His own inaction allows his life to reach this point, and knowing he is unhappy and dissatisfied, Beatty allows Montag to burn him to death."