Hobo (noun)

1. A homeless and often unemployed person who travels from place to place in search of work or as a vagrant.
2. A tramp or vagrant, especially one who is a member of a group of such people.

Origin:

Early 20th century: of uncertain origin, perhaps from the phrase ho, boy!

Examples:

1. He became a hobo after losing his job.
2. The hobos were seen hanging around the train station.
3. The hobo camp was set up on the outskirts of town.
4. The hobo's appearance was unkempt and dirty.
5. The hobo begged for money on the street corner.