This is the latest installment of Crews on Cruise , a column 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. For the first 25 years of his life, Josh Simonetti rarely ventured beyond the Delaware Valley. Vacations meant going down the shore; the wider world felt abstract. Then, shortly after Pennsylvania legalized table games, a job dealing cards in a Philadelphia -area casino “kind of fell into my lap,” he says—and with it, a realization: casinos exist everywhere, and he didn’t have to stay put. Simonetti joined Crystal Cruises in 2014, got a passport for the first time, and reported for his inaugural contract in Reykjavík the day before his 26th birthday. Over the next six months, he saw some 43 countries.…