People who supports an specific act,law,custom, or belief.
People of China
The major supporters were churches, convents, nobility, rich people. The rest were not.
Supporters/Followers.
I think that by definition the king did not have supporters in the same way one would characterizes supporters in a "for the people by the people" state. I suggest that a king's "supporters" are subjects because a king would typically inherit the title as opposed to being elected.
People
Crack
Several words could apply, including:supportersalliesgay-friendly
They were football supporters.
The Common People
ture
They were distinctly opposing people. Roundheads was the term for the soldiers of the Parliamentarians or Puritan party. They generally opposed King Charles 1 and his supporters, the Cavaliers. Although these terms comment on their dress,this was much more of a commentary on their political and social attitudes, the Roundheads being plain,no nonsense people who supported parliament, while the cavaliers were flamboyant supporters of Royalty and somewhat derisive of parliament.
labor unions, minority groups, and poor people.