improvers

noun
UK /ɪmˈpruːvəz/
US /ɪmˈpruːvərz/

People who make something better.

The improvers fixed up the old playground so kids could play again.


OTHER MEANINGS

2. Substances added to bread dough to help it rise and bake better.

The baker added flour improvers to make the bread softer.

3. People who teach or train others to get better at a skill.

The swimming improvers class meets every Tuesday evening.

4. Things or actions that raise quality or performance.

Regular practice and good sleep are real improvers of memory.