『郵』in the old days, the ship is mainly for transporting mails ( letters / parcels ) for people or for mainly for cargos and not nowadays for holidays. Then gradually the ships are transporting people and it arrives till today becomes a cruise.
HELLO! MY NAME IS DENIS, I AM 26 YEAR-OLD, I AM VERY INTERESTED TO BECOME A CURISE CAPTION, COULD YOU PLEASE TELL ME WHAT DOES IT TAKE TO BECOME A CURISE CAPTOIN? THANK YOU VERY MUCH.