Answer :
In "Nethergrave," Jeremy's motivation to become a Jaguar is most inspired by his envy of those with physical skills and agility. Jeremy feels as if he is clumsy, awkward and a loner - the Jaguar avatar symbolizes everything he wishes he could be.
Nethergrave is a short story written by Gloria Skurzynski. The main character of this story is Jeremy, he is a lonely boy with no friends or physical skills and social problems until he finds Nethergrave -a video game- a way to escape from his reality and be able to have friends like any other kid and be how he wishes to be. The reason why he chose a Jaguar as his avatar in the game is because c. his envy of those with physical skills and agility and his desire to be beautiful and strong like the jaguar.