loyalist
//ˈlɔɪ.ə.lɪst//
Noun
loyalistSingular
loyalistsPlural
1
A person who remains loyal to an established ruler, government, or political party, especially during a revolt or change of regime.
The loyalists remained faithful to the king even during the revolution.
2
A supporter of union between Great Britain and Northern Ireland.
The loyalists organized a march to show their support for remaining part of the United Kingdom.