A "knight of the road" is often used to describe a person who travels by foot and relies on strangers' generosity for food, shelter, and transportation. Other synonyms for this term might include "hobo," "tramp," "vagabond," or "drifter." These words all suggest someone who is wandering without a set destination or purpose, and who is often living at the margins of society. While some might view such individuals with suspicion or fear, others recognize that they are often resourceful and resilient in the face of adversity. Ultimately, the term "knight of the road" and its synonyms capture both the gritty reality and the romantic allure of life on the open road.