1. one who punishes or criticizes someone severely in order to correct their behavior

Examples

• The strict teacher was known as a chastiser of students who misbehaved.
• He appointed himself the chastiser of anyone who broke the rules.
• The coach served as both mentor and chastiser to the young athletes.
• She was a gentle chastiser, correcting mistakes with kindness.
• The editorial writer became a public chastiser of government corruption.
• Parents often struggle with being both nurturer and chastiser.