disciplinist

noun3

1. •
   A disciplinarian; one who stresses obedience to authority.

   • Though most of the top clerics and university theologians were in the disciplinist camp, the opposition also had support within the church, if in general from somewhat disaffected pastors. — 2010
2. •
   One whose job is to enforce discipline.

   • The prison disciplinist, Jno. Clay, of Preston, claims to be descended from the third sone of Richard Clay, of the Hill, who had five sons and three daughters. — 1870
3. •
   (historical) A proponent of disciplinism.

   • The function of education to a formal disciplinist is to train the faculties. — 1956