Skipper

Skipper is the captain of a smaller vessel. He drives the boat and keeps it in order, takes care of the paperwork in ports and marinas, transfers the vessel from one marina to another between the charters (if necessary), answer all of the guests questions, suggest itinerary and activities, help them with any possible problems and takes care of the guests.

Also he is there  if there is no hostess on board, he sometimes prepares the meals and cleans up after the guests.