Search Result for "sandbagger": 
Wordnet 3.0

NOUN (1)

1. someone who deceives you about his true nature or intent in order to take advantage of you; 



The Collaborative International Dictionary of English v.0.48:

Sandbagger \Sand"bag`ger\, n.
   An assaulter whose weapon is a sand bag. See Sand bag,
   under Sand.
   [1913 Webster]


WordNet (r) 3.0 (2006):

sandbagger
    n 1: someone who deceives you about his true nature or intent in
         order to take advantage of you