inspite of being hurt zaroff congratulates rainsford on his "malay mancatcher" why?

Zaroff respects a good hunter. Zaroff has been bored with hunting and this is the first time he has been excited in a long time.

http://www.gradesaver.com/the-most-dangerous-game/q-and-a/inspite-of-being-hurt-zaroff-congratulates-rainsford-on-his-malay-mancatcher-why-55977/