Answer:
visiting relatives is a nuisance
The defintion for the word is hated disagreement
Main entries come first. A main entry consists of the meaning shared by the members of the synonym group, a verbal illustration, and lists of synonyms as well as any related words, phrases, near antonyms, and antonyms.
The answer is A, because the protagonist is the main character, and that's what Rider is. The other answers don't really make sense in terms of the role he plays in the story.
Hope I helped!