It’s purpose is to B inform. Because you are trying to inform others about your side of the problem.
Yes he does, he does not give up on what he believes in. In his case he believes in equality of all. A resilient person can be described as someone who has a lot of perseverance.
Hope this helps!
A) Is not always directly stated.
Sometimes the main idea is implied instead of directly stated. You can also get the main idea from the Theme which is stated at the end of the first paragraph.
i hope i helped:)