The personality trait that would make Dickon feel at home at Buckingham Palace or at the bottom of a coal mine is that he is very likable.
It is mention trough the book that he has a strange ability to captivate everyone human or not since his ability also applies to animals, everywhere Dickon goes everyone just fell under his spell and find him lovable. We can see the quotation that says :
There really was a sort of Magic about Dickon, as Mary always privately believed. When Mr. Roach heard his name he smiled quite leniently.
“He’d be at home in Buckingham Palace or at the bottom of a coal mine,” he said. “And yet it’s not impudence, either. He’s just fine, is that lad.”
Being a nobody can be something simple. or saying your a nobody can be someone with depression being sad. one can say they are a nobody just because they're "invisible" to some people. One can say they're a nobody because they are the new kid. and a lot will say they are a nobody just because they arent as known as a lot of people and are the type of people to go to school for a few years; then at graduation, everyone goes, "wait, who are they again, i dont know if ive ever seen them in this school."
Answer:
Thin: can be described as a faint or high - pitched ( as a sound)
Or having opposite surfaces or sides close together
