Final answer:
Ewing Klipspringer is a boarder who lives in Gatsby's house and takes advantage of Gatsby's hospitality in the novel 'The Great Gatsby'.
Step-by-step explanation:
Ewing Klipspringer is a character in the novel 'The Great Gatsby' by F. Scott Fitzgerald. C. A boarder who lives in Gatsby's house. Klipspringer is often referred to as The Boarder or The Plunger in the novel. He stays in Gatsby's mansion and takes advantage of Gatsby's hospitality, living a parasitic lifestyle. He is known for his piano playing skills and is frequently seen at Gatsby's parties.