Even though the narrator soon realizes that killing the animal is unnecessary, he is surrounded by a large crowd of natives. He, an Englishman, believes that if he fails to kill the animal, he will look like a fool. This can set a dangerous precedent for the colonizers. Therefore, even though he does not want to, he believes he needs to shoot the animal. It is likely that this story was meant to be a critique towards the imperialism of Great Britain.
It contributes to the central idea because it help understand and answers questions like why is their excitement in the air or what is the setting of the story.
Explanation:
Then again I could be wrong so if their is another answer choose that one over this one.
dress appropriately and bathe/shower beforehand; look presentable. do not slouch in your chair, and shake the person's hand; don't put your elbows on the table. be polite and conversational. be engaging in the interview; ask questions and only give yes or no answers if the question requires it.