Korean boats, are tough. Proably one other person who speaks englinsh, lots of fish head soup. You will lose some serious weight. Make the componay you are working for give you a couple hundred to buy some food and get a rubbermaid bin with a lock (rough tote) to put in the freeze (steaks chicken, peanut butter)
A search will do you some good here, myself and several others have answered these questions multiple times.
Curious which company. One out of Guam is way better than the other . You may live through it if you choose wisely!
post specific questions and I will be happy to answer them if I can. It has been awhile since I was on the floating jail
RB