What theme of Richard Connell’s story “The Most Dangerous Game” comes through in this excerpt?

…We should have some good hunting up the Amazon. Great sport, hunting."

"The best sport in the world."

"For the hunter," amended Whitney. "Not for the jaguar."

"Don't talk rot, Whitney," said Rainsford. "You're a big-game hunter, not a philosopher. Who cares how a jaguar feels?"

"Perhaps the jaguar does," observed Whitney.

"Bah! They've no understanding."

"Even so, I rather think they understand one thing—fear. The fear of pain and the fear of death."