Explanation:

- Vagabond refers to a person who wanders from place to place without any settled home. They are often perceived as having no fixed course or purpose.

- Option 1: Visitor – This refers to someone who visits a person or place. It lacks the connotation of aimlessness or lack of settlement, which is inherent in "vagabond."

- Option 2: Tourist – This describes someone traveling or staying in a place for pleasure. Tourists usually have planned destinations and activities, unlike vagabonds.

- Option 3: Tramp – This is a synonym for vagabond. It describes a person who moves about, often homeless, and without permanent employment.

- Option 4: Pilgrim – This refers to someone who travels to a sacred place for religious reasons. A pilgrim’s journey has a specific, often spiritual, purpose.

- Tramp is the correct synonym for vagabond.