Source : Webster's Revised Unabridged Dictionary (1913)

Pluralist \Plu"ral*ist\, n. (Eccl.)
   A clerk or clergyman who holds more than one ecclesiastical
   benefice. [Eng.]

         Of the parochial clergy, a large proportion were
         pluralists.                              --Macaulay.

Source : WordNet®

pluralist
     n 1: a philosopher who believes that no single explanation can
          account for all the phenomena of nature
     2: someone who believes that distinct ethnic or cultural or
        religious groups can exist together in society