This is the latest installment of our bimonthly column Crews on Cruise , spotlighting the people who work behind the scenes of the world’s most memorable voyages—from bartenders and entertainers to ship captains and expedition leaders. When Nadia Durigon was little, she’d walk past a travel agency in her hometown near Venice and point excitedly at the ferry pictured in the window. When teachers would ask her to write school essays detailing where she saw herself in the future, her answer was always the same: “on a cruise ship .” After studying foreign languages and tourism in high school, Durigon went straight into the industry and quickly found her niche in youth programming. (She was 19 years old at the time, so organizing group activities for teens often felt like hanging out with friends.) Now 37, Durigon has spent nearly two decades working at sea and currently serves as the Traveling Fleet Supervisor for Family Entertainment at MSC Cruises .…