Who are the “men of goodwill” that gladden describes?

The correct answer is "Reformers."

The "men of goodwill" that Gladden describes are the Reformers.

Washington Gladden (1836-1918) was an American politician and social reformer that supported the Social Gospel, in that all Christians must do something to help society, to fight corruption practices and injustices. He wanted to apply Christian teachings to social problems. He wrote the books "Social Salvation" and "Applied Christianity." He was the one to refer the Reformers as "the "men of goodwill."

doat means to cherish based on the key word fancying and that it is a living thing

profound political, administrative, and social changes in the british isles.