Synonyms and related words :
backslider, bad egg, black sheep, blighter, degenerate, fallen angel, good-for-nothing, lecher, lost sheep, lost soul, lowlife, miscreant, mucker, no-good, pervert, pimp, profligate, recidivist, recreant, reprobate, rounder, scapegrace, sorry lot, trollop, waster, whore, worm,