Definition of "catechist"

catechist

noun
plural catechists
1. (Christianity) One who practices catechesis, i.e., catechizes catechumens; a teacher who instructs students in the doctrines of a particular Christian denomination typically in preparation for confirmation.
  Quotations
  Now he was not only a lay reader but a pastor’s warden although Umuaro did not have a pastor as yet, only a catechist.
  1965, Chinua Achebe, Arrow of God, Penguin Classics (2010), pages 48-49