Answer:
Mail-delivery man.
Explanation:
I chose the character of the man who is a mail-delivery man in Alaska. he works to deliver mail in the Alaskan region with the help of mail-delivery dog sled team. The author make the person a real mail-delivery man by giving all the things needed him to be a mail-delivery man such as sled, dog sled team etc. This character is very interesting whose life totally change when he met the big dog and include in his sled dog team.