chancer

1 a person who dexterously and expediently changes or adopts opinions a two-faced chancer, he doesn't hesitate to dump people when they are no longer of any use Synonyms chameleon, acrobat [British], opportunist, temporizer, timeserver, trimmer, weathercockRelated Words egoist, egotist, self-seeker; conniver, machinator, plotter, schemer

2 one who does things only for his own benefit and with little regard for right and wrong betrayed by a chancer who, she mistakenly thought, was her friend Synonyms bottom-feeder, self-seeker [British], opportunist, temporizerRelated Words egocentric, egoist, egotist; conniver, machinator, plotter, schemer; barracuda, shark; hanger-on, leechNear Antonyms altruist