meliorist
/ˌmɛliˈɔrɪst/Definitions
1. noun
A person who seeks to improve or reform society, especially through gradual and peaceful means
“The meliorist’s efforts to improve the local community earned them a reputation as a dedicated social reformer.”
2. noun
A person who advocates for the improvement of the environment
“As a meliorist, she worked tirelessly to protect endangered species and preserve natural habitats.”
3. noun
A philosopher who believes in the possibility of gradual improvement in human affairs
“The meliorist’s philosophy emphasized the importance of individual action in bringing about positive change.”