Preacher is a related term of ecclesiastic.
As a proper noun preacher
is alternative name for ecclesiastes, the twenty-first book of the old testament.
As an adjective ecclesiastic is
of or pertaining to the church; ecclesiastical.
As a noun ecclesiastic is
one who adheres to a church-based philosophy.
preacher
English
Noun
(
wikipedia preacher)
(
en noun)
Someone who preaches a worldview, philosophy or religion, especially someone who preaches the Quran or the gospel; a clergyman.
* 2004 , Garbi Schmidt, Islam in Urban America: Sunni Muslims in Chicago , Page 171
Derived terms
* preacheress
ecclesiastic
English
Alternative forms
* ecclesiastick
Adjective
(
en adjective)
Of or pertaining to the church; ecclesiastical.
Usage notes
Ecclesiastical is more commonly used.
Noun
(
en noun)
One who adheres to a church-based philosophy.