reformer
definitions
-
noun
a person who seeks to improve or change something, especially a social systempt: reformador
-
noun
a person who makes changes to a machine or system to make it work betterpt: melhorador
examples
-
He was a social reformer.
Ele era um reformador social.
-
The engineer was a tireless reformer.
O engenheiro era um melhorador incansável.