1) He founded the Protestant Reformation
2) Made the Bible available to those who couldn't have it before
3) Under the threats of death and arrest, he continued to preach his message, a feat many wouldn't dream of attempting
4) He organized schools, and wrote instructions for the teachers and pastors there as well.
Paraphrased from ThoughtCo.
The obvious answer would be business leaders. The reason why this is true is becaus business leaders were often the ones who were touting the ideas of social darwinism and how their company is better and will stomp out the smaller one in proper sociodarwinistic fashion.
A.
abolitionists in free states such as Massachusetts