preacher

Short definition from Wiktionary

Noun

1. 1
   Someone who preaches a worldview, philosophy, or religion, especially someone who preaches the gospel and especially a clergyman or clergywoman. In a religious context, usually used only to refer to Protestant Christian clergy.

Proper noun

1. 1
   Ecclesiastes, the twenty-first book of the Old Testament.
2. 2
   A male given name from English.
3. 3
   A surname from Middle English.
4. 4
   A nickname.