1. a person who works to improve or make better a situation, condition, or system
Usage: formal

Examples

• The social meliorator dedicated her life to improving conditions in urban schools.
• As a meliorator of workplace culture, he introduced new policies to boost employee satisfaction.
• The environmental meliorator proposed innovative solutions to reduce pollution.
• She served as a meliorator in the community, organizing programs to help local families.
• The meliorator’s efforts resulted in significant improvements to the healthcare system.
• His role as a meliorator involved identifying problems and implementing practical solutions.