1. people who work to bring about changes and improvements in social, political, or religious institutions
Usage: plural of reformer

Examples

• The social reformers fought for workers’ rights and better working conditions.
• Religious reformers in the 16th century challenged the practices of the Catholic Church.
• Educational reformers proposed new teaching methods to improve student learning.
• The reformers organized protests to demand changes in government policy.
• Many reformers dedicated their lives to abolishing slavery.
• Prison reformers advocated for more humane treatment of inmates.