Possible Clues:

• Jack put in food to brown off fast
• Meet more courteous-sounding traveller
• Jack gives fish to Rex
• Prophet housing a distant traveller
• Sailor putting the food in - to burn!
• Sailor to burn food brought aboard
• One making predictions about a distant traveller
• One going by ship
• Sailor is withering about passenger
• Mariner stores water and food in gutted schooner