The term 'Duffel Filler' is a job description for someone who packs and organizes the contents of a duffel bag. This person is responsible for ensuring that all items are securely packed and stored in the bag, and that the bag is properly sealed and ready for transport. The crossword solutions for this term are 'GEAR', which refers to the items that are placed in the duffel bag. GEAR can include clothing, tools, and other items that need to be transported.