Meliorator

Origin

meliorate + -or

Full definition of meliorator

Noun

1. One who meliorates; an improver.
• 2007, October 21, Harry Hurt Iii, A Lens on Wealth, From All the Angles, Who can fault Ralph Waldo Emerson for observing that “the greatest meliorator of the world is selfish, huckstering trade?”