abnegator

from WordNet (r) 3.0 (2006)
abnegator
    n 1: one who gives up or relinquishes or renounces something
from The Collaborative International Dictionary of English v.0.48
Abnegator \Ab"ne*ga`tor\, n. [L.]
   One who abnegates, denies, or rejects anything. [R.]
   [1913 Webster]
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