Answer:
His sense of morality leads him to refuse to hunt human beings with Zaroff.
Step-by-step explanation:
This is the answer that best describes how Rainsford's personality traits advance the plot of "The Most Dangerous Game." In this story, Zaroff is a hunter who hunts humans. He asks Rainsford if he would like to join him, as Rainsford is also a skilled hunter. As he refuses, Rainsford becomes the prey instead.