What is another word for "waif"?

Roget's Thesaurus (1911) lists these synonyms for "waif": abandon, abandonment, advantage, all, apart, aright, aside, away, behalf, behind, behoof, beneficial, benefit, best, blessing, boon, boot, cast, cede, cession, chance, commendable, common, consummation, course, culls, deed, derelict, dereliction, devoutly, disburden, discard, dismiss, dispensation, dispose, dispossess, disuse, divest, down, drop.