Hobo

Noun

 * 1) A homeless, usually penniless person, in some way associated with a life along the rails.
 * 2) A migratory laborer
 * 3)  A tramp, vagabond; hence bum

Derived terms

 * hobohemia
 * hoboism
 * hobo spider

Verb

 * 1)  To be a hobo, tramp, bum etc.
 * ''Joe idly hoboed through half the country till he realized hoboing never gets you anywhere in life.

Thesaurus
alien, beach bum, beachcomber, beggar, beggarly fellow, blighter, bo, budmash, bum, bummer, cadger, caitiff, case, character, crackpot, crank, derelict, devil, dogie, drifter, drunkard, eccentric, fanatic, floater, gamin, gamine, good-for-naught, good-for-nothing, guttersnipe, hermit, homeless waif, human wreck, idler, kook, landloper, lazzarone, loafer, lone wolf, loner, losel, lowlife, mauvais sujet, maverick, mean wretch, mendicant, mendicant friar, mendicant order, meshuggenah, moocher, mucker, mudlark, natural, no-good, nonconformist, nut, odd fellow, oddball, oddity, original, outsider, panhandler, pariah, pauvre diable, piker, pilgarlic, poor creature, poor devil, queer duck, queer fish, queer specimen, ragamuffin, ragman, ragpicker, rara avis, rounder, sad case, sad sack, schnorrer, screwball, scrounger, ski bum, skid-row bum, solitary, stiff, stray, street Arab, street arab, street urchin, sundowner, surf bum, swagman, swagsman, tatterdemalion, tennis bum, tramp, truant, turnpiker, type, urchin, vag, vagabond, vagrant, vaurien, waif, waifs and strays, wastrel, worthless fellow, wretch, zealot