Answer:

papists

Answer	Crossword Clue
PAPISTS	Ardent supporters of the Vatican
PAPISTS	Partisans of the Vatican; used disparagingly.
PAPISTS	Supporters of Mary Queen of Scots, to their foes

PAPISTS	What foes called supporters of Mary Stuart
PAPISTS	Followers of the Vatican
PAPISTS	Old Church of England opponents
PAPISTS	Opponents of the Protestant Reformation