Answer:
Answered through explanation
Step-by-step explanation:
(Note: I assumed you were talking about the short story called "The Most Dangerous Game" by Richard Connell)
General Zaroff's character is seems to be well versed and observant based on the fact that he knows who Rainsford is. According to the text, Zaroff knew who Rainsford was through his book about hunting snow leopards. This probably means that he is or was interested on the idea of hunting and is knowledgeable about the subject. This may tell us that he is experienced in the field. It also shows us that he is very observant as he was able to recognize Rainsford as the author of a book.