1. a person who attempts to overthrow or undermine an established system, institution, or government

Examples

• The government labeled him a dangerous subverter of democracy.
• Political subverters often work in secret to avoid detection.
• The regime arrested anyone suspected of being a subverter.
• She was accused of being a subverter of traditional values.
• The subverter distributed pamphlets calling for revolution.
• Intelligence agencies monitor potential subverters closely.