General Zaroff sees pain and suffering as something pleasurable. He believes that he is a god and that he can surpass anything. He is rich and is one of the most respectable people in the military. He sees hunting as an adrenaline rush. He sought to kill the bigger games just to feed the rush in his system. He will kill animals or humans, he can't tell between animals or humans due to his hunger for hunting.
Indirect characterization is implied by the author
Greg shows himself to be a dynamic character in this passage.
Explanation:
Greg shows himself to be a dynamic character as he changes and learns the worthy moral over the changes he had seen. He comes to view that a particular person should not be valued over their looks.
According to Lemon Brown, Greg is very caring and Brave person as he lost his son in the war. These all incidences changes the view in thinking of Greg towards his father.
The last one is the correct answer.