revivalist Meaning, Definition & Usage

  1. noun a preacher of the Christian gospel
    evangelist; gospeller; gospeler.

WordNet

Re*viv"al*ist noun
Definitions
  1. A clergyman or layman who promotes revivals of religion; an advocate for religious revivals; sometimes, specifically, a clergyman, without a particular charge, who goes about to promote revivals. Also used adjectively.

Webster 1913