Such a trip costs money. To secure the legal right to inhabit the island, to make the trip, and to bring enough supplies to survive. A person either needs to u

Such a trip costs money. To secure the legal right to inhabit the island, to make the trip, and to bring enough supplies to survive. A person either needs to use his parent's cash or to work for a number of years and save before leaving. The "choice" isn't available to him until that happens, so either his parents must work to purchase their child's freedom, or he must work to purchase it himself. In either case this is one of the very definitions of slavery.