discipliner

/ˈdɪsəplɪnər/
noun
  1. A person who enforces rules or corrects behavior, often through punishment.
    • A good discipliner balances firmness with fairness.
    • The principal was known as a strict discipliner who did not tolerate bad behavior.
    • In the old days, the school's discipliner used a ruler to punish students.
Synonyms
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