A ship's waiter is a steward.
ships waiter
Armada
Skipper
Flotilla
In the UK - the Plimsoll Line.
The correct term is "funnel".
A porthole (generally the round ones)
hotel entertainment == Singing waiter (waitress) cabaret dinner theater
Navy. Or if you want to go back in history, Armada.
Convoy
A boatyard is another name for a shipyard, a place where ships are built, repaired and restored.
The name of the ship that ships ships is "The Ship Ship."