The moral lesson of the story Daedalus and Icarus is that you should always listen to what your elders tell you to do. The basic concept of the story Daedalus and Icarus is that hubris is a bad thing. It could be said that the subtext is that you should always heed the advice of your elders, particularly your parents.
Answer:
Zaroff respects Rainsford and thinks that he will be a worthy opponent.
Explanation:
According to the interaction between Zaroff and Rainsford, Zaroff is enthusiastic and looks forward to playing Rainsford as he believes he is facing a man of equal strength and abilities. He was wary to wager with Rainsford because he knew he was a worthy opponent.
Therefore, Zaroff respects Rainsford and thinks that he will be a worthy opponent.