Answer:
Zaroff is portrayed as Rainsford’s foil as Zaroff has no conscience, while Rainsford does have a conscience.
Explanation:
The question is not complete since it does not provide the options to answer, here are the options:
* Zaroff has no conscience, while Rainsford does have a conscience.
* Zaroff is an enthusiastic hunter, while Rainsford is indifferent to hunting.
* Zaroff is an inconsiderate host, while Rainsford is a very good guest.
* Zaroff has little hunting experience, while Rainsford has a lot.
After this little exchange of ideas between Rainsford and Zaroff some differences come to light that will be very important for the development of the story, and it is shown that even when Rainsford had been at war he does value human life, he would never consider killing a sport and that demonstrates the value of his soul and consciousness all contrary to Zaroff.