Most sailing ships take what they call trainees, who pay to be part of the crew. The Picton Castle takes people who are absolutely raw recruits. But you can't just ride along. You're learning to steer the ship, navigation; you're pulling lines, keeping a lookout; in the galley you're cooking.
There is no better way of exercising the imagination than the study of law. No poet ever interpreted nature as freely as a lawyer interprets the truth.