Dictionary.com defines disciplinarian as "a person who enforces or advocates discipline:The teacher was a formidable disciplinarian."
Amusingly, it gives the origin as being "1575--85; discipline + -arian".
As Related Words it offers martinet and moralist.
The teacher was considered a strict disciplinarian because she assigned students detention for the smallest infraction of rules.
a strict disciplinarian
The synonym for disciplinarian is authoritarian.
"Disciple" and "disciplinarian" have the root word "discipulus," which means "student" or "learner" in Latin.
di-sci-plin-ar-i-an has 6 syllables.
Disciplinarian, authoritarian or tyrant
democratic, lax
The word instructor in a sentence: The new sports instructor in our school is a strict disciplinarian.
A person who enforces discipline is often referred to as an enforcer, disciplinarian, or a strict disciplinarian.
This person would be referred to as one who advocates discipline ( disciplinarian ).
Wodehouse Playhouse - 1974 Portrait of a Disciplinarian 1-3 is rated/received certificates of: Australia:G
The parents....<3 :D