meaning of disciplinarian
1. Pertaining to discipline.
2. One who disciplines; one who excels in training, especially with training, especially with regard to order and obedience; one who enforces rigid discipline; a stickler for the observance of rules and methods of training; as, he is a better disciplinarian than scholar.
3. A Puritan or Presbyterian; -- because of rigid adherence to religious or church discipline.
4. someone who demands exact conformity to rules and forms