Any migratory laborer, whether homeless or not.
A wandering homeless person, especially (historical) one illegally travelling by rail or (derogatory) a penniless, unemployed bum.
A kind of large handbag.
To be a hobo, tramp, bum etc.
A non-native person who comes to a country from another country to permanently settle there.
A plant or animal that establishes itself in an area where it previously did not exist.
Of or relating to immigrants or the act of immigrating.