Sam是什么意思？

And are there any rules or regulations that you’d like to change?Behind the cash register at a store in downtown San Francisco, Sam  Azar swiped his credit card to pay for a pack of cigarettes.

In a New York Times article, Sam Boakye – the only black student on his freshman year floor -said that "if you're surrounded by whites, you have something to prove.

What does Sam Boakye's remark mean

So you know that Sam turned down the job offered by the travel agency?

Sam has a big family to support.

Sam is not interested in traveling