Answer:
Orient is used in this sentence meaning to adjust. "Samuel stood on the grassy lawn of the campus looking at his map of the school’s buildings, trying to orient himself" meant that Samuel was trying to get used to the new campus by looking at buildings.
Hamartia of Oedipus is not overcome and the hubris he commits calls his downfall.
Explanation:
The Hamartia, or the fatal flaw is the one flaw of a good protagonist in a tragedy that brings them down and makes their downfall possible.
This characteristic of Hamartia with Oedipus is his will to control. He believes he can control his fate when he really has no way to do so and falls victim to his own machinations.
The Hubris of a character is when the overstep their limits and challenge the will of Gods. In a bid to change his fate Oedipus does just that and in that way he makes the fate only possible.
When the author relates a particular event, he encourages the reader to follow along. When this happens, the reader is meant to focus on the story and understand the events that transpired. However, the reader might get distracted, or he might fail to identify the specific aspects that the author wants to highlight.
By using contrast and contradictions, the author encourages the reader to focus on a new idea that is significantly different to the one already presented. By doing so, the author forces the reader to pause, rethink and reevaluate the information presented, thus increasing his understanding of the subject.