A theme in "The Man Who Would Be King" is the comparison between the imperialism of the British Empire and the motives/exploits of Dravot and Carnehan. The narrator, thus, serves as an intermediary between the world familiar to Victorian British and the setting of Carnehan and Dravot’s adventure.
I'm not familiar with the text but I can infer that East Egg homes are flimsily constructed while West Egg homes are more durable and made eof quality material.