A social reformer is a person who works to bring about positive change in society. Often, social reformers are driven by a desire to improve the lives of marginalized or disadvantaged groups, such as the poor, minorities, or women. Synonyms for social reformer include activist, humanitarian, advocate, crusader, reformist, campaigner, and champion. The work of social reformers can take many forms, from lobbying for policy changes to organizing protests and rallies. Regardless of the methods they use, social reformers are essential to creating a more just and equitable society for all.