sandbagger

English Thesaurus

1. someone who deceives you about his true nature or intent in order to take advantage of you (noun.person)

hypernym	:	beguiler, cheat, cheater, deceiver, slicker, trickster,
definition	:	someone who leads you to believe something that is not true (noun.person)

derivation	:	sandbag,
definition	:	downplay one's ability (towards others) in a game in order to deceive, as in gambling (verb.communication)

derivation	:	sandbag,
definition	:	downplay one's ability (towards others) in a game in order to deceive, as in gambling (verb.communication)