hobo

Short definition from Wiktionary

Noun

1. 1
   A wandering homeless person, especially (historical) one illegally travelling by rail or (derogatory) a penniless, unemployed bum.
2. 2
   Any migratory laborer, whether homeless or not.
3. 3
   A kind of large handbag.

Verb

1. 1
   To be a hobo, tramp, bum etc.