Answer:
Skills: diving, patience (not really a skill but needed), knowledge of diving equipment etc.
Working hours: There are typically seasons in which they work.
They need to be willing to travel for their work, "pearl diving tends to take place in distant locations, including Japanese lakes, Caribbean tropics, and Australian shores. "
Work conditions: Difficult and dangerous. You are diving in the ocean, this always comes with risks, sharks, riptides etc.
Pay: up to $1,200 a day
Sorry this couldn't be more detailed, this is just the basics
Well, when its in first person you get more of an insight on how they really feel and think while when its in third person you have to rely on a guess and not a fact. So it limits the readers knowledge on the thoughts and feelings of the main character. Hope this helps :)