IPA: /ˈdɪsɪplɪnər/
KK: /ˈdɪsəplɪnər/
A person who enforces rules or standards, often in a strict manner, to maintain order or control.
The discipliners in the school ensured that all students followed the rules.
Discipliner → It is formed from "discipulus" (meaning student or learner) and "-er" (meaning a person who). A discipliner is a person who teaches or trains students.
Think of a 'student' ('discipulus') being guided by a 'person' ('-er') who helps them learn. This helps you remember that a discipliner is someone who teaches or trains.