Who is Jehangir Bulsara from Swimming Lessons and what is their importance?

In "The Collectors," Jehangir is an effeminate, bookworm who is happy to remain aloof from the other boys in Bock C. The Bulsaras' new neighbor, Dr. Burjor Mody, befriends Jehangir, rescuing him from his brutish son, Pesi, and introduces him to stamp collecting, the doctor's great passion. Jehangir enjoys hobby and discovers he can enlarge his collection rapidly by letting schoolmate Eric D