Migratory worker or homeless vagabond A hobo is a migrant worker in the United States. Hobos, tramps, and bums are generally regarded as related, but distinct: a hobo travels and is willing to work; a tramp travels, but avoids work if possible; a bum neither travels nor works. 289,437 views on February 18, 2016 — Wikipedia's most-read article that day. Also most read: Deadpool (film), Angela Raiola, Sia, Donald Trump. Wiki link