The term 'TRACKS TRAVELER' is a synonym for the job description 'HOBO, ' which is a four-letter word. A HOBO is a person who travels from place to place, often by riding freight trains, in search of work or other opportunities. Hobos are usually homeless and have limited resources, so they rely on their wits and resourcefulness to survive. The term 'tracks traveler' is often used to describe someone who is a HOBO, as they travel along railroad tracks in search of work or other opportunities.