A waiter if they are male or a waitress if they are female
sweet and sensitive call him a gentalmean
A Restaurateur.
what do you call a person that takes ships into and out of port
Host or Hostess
A customer, or a diner.
Financer?
A photographer.
If you're in a restaurant, tell the waiter that you are a vegetarian (you might want to call the restaurant in advance and ask if they have vegetarian food) and order food that is.
A person who takes no blame is often referred to as being "blameless" or "unaccountable."
Ferryman
A pig.
conductor