1. a person who makes something better or who becomes better at something

Examples

• She’s a natural improver who always finds ways to make processes more efficient.
• The young athlete is a quick improver and has advanced rapidly this season.
• As a home improver, he enjoys renovating old houses.
• The company hired her as a quality improver for their manufacturing division.
• He’s been a steady improver in math since getting extra tutoring.
• The coach identified several improvers on the team who showed great potential.