the GNU version of the Collaborative International Dictionary of English
n. One who supplants.
The Century Dictionary and Cyclopedia
n. One who supplants or displaces.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. one who wrongfully or illegally seizes and holds the place of another
Word Usage
"That the barbed shaft might sink deep and rankle from Andrea's belief that her supplanter was a girl of her tribe, but principally because, just then, she went down under the ruins of her own _olla_."