Congratulations to Magpie
However I hate to spoil anything but
A Zealot is not a demagogue and nor is a demagogue a zealot
Further an anagrind is needed to indicate an anagram
And Finally
The inclosure of the reversed GAME should be indicated.
From the clue the answer should be explicitly contrived.
Will happily acknowledge opposite views within the limits and procedures of cryptic clueing
Yours in Peace and friendship
THEA