appointor

from The Collaborative International Dictionary of English v.0.48
Appointor \Ap*point*or"\, n. (Law)
   The person who selects the appointee. See {Appointee, 2.}
   [1913 Webster]
    
from Bouvier's Law Dictionary, Revised 6th Ed (1856)
APPOINTOR. One authorized by the donor under the statute of uses, to execute
a power. 2 Bouv. Ins. n. 1923.
    

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