Did depends on the wording like me I us we or he, him, his, himself, she, her, hers, herself, it, its, itself, they, them, their, theirs, and themselves. If you see I in the book you know its a first person but if uses words like they then its third person
Buck is a good leader and had good similar leadership qualities like his predecessor.
This is because he made sure everything was in order. He also showed that he had the strength and was a good motivator of the people. He was able to persevere different conditions while leading the group of people.