prelatist

from The Collaborative International Dictionary of English v.0.48

Prelatist \Prel"a*tist\, n.
   One who supports of advocates prelacy, or the government of
   the church by prelates; hence, a high-churchman. --Hume.
   [1913 Webster]

         I am an Episcopalian, but not a prelatist. --T. Scott.
   [1913 Webster]