To Arthur, Sam Daily is a country bumpkin—so it makes sense that he's introduced as a "big man, with a beefy face and huge raw-looking hands, well enough spoken" (3.13). Notice that "well enough"? Arthur isn't about to admit that anything in this forsaken place is "good": it's just good enough.
But good or just good enough, Sam is friendly. Even though Arthur first dismisses him as just another country bumpkin, Sam becomes Arthur's greatest ally in the story. He's loyal and keeps an eye out for Arthur even when Arthur is unaware that he needs watching over. He even gives up his little dog.
"Take her," he said, "bring her back to me when you are done."
"Will she come with…