Who says the following and why (from "Most Dangerous Game")?

"That's the trouble with these sailors; they have dull brains to begin with, and they do not know how to get about in the woods. They do excessively stupid and obvious things. It's most annoying."

-Rainsford is complaining about the sailors on the yacht he fell off of.

-Zaroff is complaining about the sailors he hired as servants.

-Zaroff is complaining about how his new "sport" is getting boring.

-Zaroff is complaining about visiting sailors are spoiling his island.