Who else was given the label in the quartet along with  Henry Drummond Wolff, John Gorst and a genuine Tory radical, who coined the term Tory Democracy ?
Fourth Party: The Fourth Party was a label given to a quartet of British MPs, Lord Randolph Churchill, Henry Drummond Wolff, John Gorst and Arthur Balfour, in the 1880–1885 parliament. Lord Randolph Churchill:  Churchill was a genuine Tory radical, who coined the term Tory Democracy.
Arthur Balfour