IPA: /mɛˈlɪəreɪtə/
KK: /mɛliˈɔːrətər/
A person or thing that improves or makes something better.
The meliorator worked tirelessly to enhance the community's living conditions.
Meliorator → It is formed from "melior" (from Latin "melior", meaning better) and "-ator" (a suffix used to indicate a person who performs a specific action). The word "meliorator" refers to a person who makes things better or improves conditions.
Think of someone who makes things 'better' ('melior') — the '-ator' indicates that this person is actively doing the improving.