He became an active social reformer.
他成了一位积极的社会改革家。
Her father was an educator and social reformer.
她父亲是教育家兼社会改革家。
His early experience turn him into a passionate social reformer.
他早年的经历使他变成了一个狂热的社会改革者。
Now he is out of the race, Mr Ahn has thrown his weight behind another independent, Park Won-soon, a social reformer.
ECONOMIST: An entrepreneur shakes up the political landscape
Another of Sellers's shows championed Constance Spry, the social reformer, author and florist who educated millions of British people on the art of beautifying their homes in the mid-20th century.
Disturbed by the health, environmental and social implications (scavengers are regarded socially as untouchables), a sociologist and social reformer named Dr. Bindeshwar Pathak started an organization in the 1970s to address the problem.