Answer: The audience for the essay Sojourner is every person that is interested in poetry-like and reflective essays. The purpose is to raise awareness of our roll on this planet, and how we are "the sojourners" in it. Annie Dillard uses metaphors such as comparing mangroves to humans, to convey the message.
Explanation: Annie Dillard speaks to a very general public, her audience is every person that would like to reflect on who we are for the world, and her purpose is to raise awareness on people through metaphors and allegories. She compares, for instance, mangroves to humans, saying that we are "the sojourners" on our planet, being nomads and not belonging anywhere, but she also refers to the planet itself as a sojourner.
A biography can contain almost anything about a person- Their entire life, or just one key event... Most biographies, regardless of their length and target audience, will provide basic facts like the time and place in which the person lived.
It shows an evolution which will alienate him from society for the rest of his life. Indeed, Gulliver has found a race of talking horses that have the perfect society with no crime or vices or any form of corruption. These race of Houyhnhnms is the master of the island and rules over savage, dirty and grotesque humanoid creatures which are called the Yahoos. After spending sometime in the island, Gulliver feels more Houyhnhnm than human and considers humans a backward species. It is to be noted nonetheless, that Gulliver is rescued by a Portuguese captain that is very generous and sensitive and his refusal and disgust to acknowledge this implies that he still has the vice of pride very much ingrained in his nature.