1. a person who deliberately disregards or fails to pay attention to someone or something
Usage: informal; agent noun formed from the verb 'ignore'

Examples

• He was an ignorer of warning signs and paid the price later.
• The ignorer of the rules eventually faced consequences.
• She became known as an ignorer of social conventions.
• The ignorer of the email never responded to the urgent request.
• As an ignorer of advice, he learned his lessons the hard way.