Humans
Zaroff is killed by Rainsford.
... The Zaroff from Doctor Who is a Professor, and does not hold any military rank. However, I suspect you are talking about General Zaroff from "The Most Dangerous Game" (also known as "The Hounds Of Zaroff"), which is a short story and completely unrelated to Doctor Who. Perhaps you put this question in the wrong category?
Humans , many who were shipwrecked sailors .
2
Count Zaroff is a character in the 1932 classic film The Most Dangerous Game. Many consider this character to be cunning do to his manipulation of fellow protagonist Bob Rainsford.
Zaroff is killed by Rainsford.
In the Story Most Dangerous Game General Zaroff Hunts is the Cape Bufflo
Man
Zaroff is killed by Rainsford.
The falling action in The Most Dangerous Game is when Rainsford and General Zaroff fight to the death in General Zaroff's room.
General Zaroff is surprised to see Rainsford at the end of the story because he thought Rainsford had perished in their game of hunting humans. Zaroff was not expecting Rainsford to turn the tables on him and outsmart him in their deadly game.
Zarrof is the antagonist in the story and he lives on a barren island and hunts people for fun.
General Zaroff receives the men from ships, with the men as cargo.
C. They are the scum of the earth, with dull brains
Rainsford kills General Zaroff, therefore ending the hunt.
In the short story "The Most Dangerous Game" by Richard Connell, General Zaroff meets his demise when he becomes the prey in the "game" he has been playing with Rainsford. Rainsford outwits Zaroff and ends up killing him in self-defense. Ultimately, Zaroff becomes the hunted instead of the hunter.
In the story, 'The Most Dangerous Game', Zaroff's island is also called 'Ship Trap' island. This is the case because Zaroff is responsible for shipwrecking men, so he can later hunt them down as prey.