Norwegian Cruise Line and Disney Cruise Line hire lifeguards, but you will also do a wide variety of other jobs while onboard.

They get it from a desalination plant onboard a mighty fine ship.

750 ml. However, some cruise lines prohibit bringing bottles of wine onboard for consumption. Therefore, they will hold the bottle until the passenger disembarks. It is wise to inquire beforehand.

In most cases the ship will leave unless you are on one of the excursions sponsored by the cruise line.

No you cant they will take it then give it back to you at the end of your trip.