A homeless person or vagrant.
(quote-book)
(ellipsis of).
wandering, rambling, strolling, roving, roaming, unfixed, unsettled, vagrant
(syn)
(uxi)|t=gone insane, gone mad
wandering, wavering, unsteady, inconstant, doubtful, uncertain, vague
undecided, fickle
(ant)
(uxi)|t=undecided mind