Sentence:  "You still think they come all boxed, sorted, and labeled, do you?" he said. "And that they aren't ‘<WSD>just folks</WSD>' at all?" / "Yes, I still think so. They never seem a bit like ‘folks' to me. It's their business to sit up there stiff and solemn and stern." 
Meaning of the word marked with <WSD> tags:  Ordinary, unpretentious people; an ordinary, unpretentious person.