loy ‧ al ‧ ist /ˈlɔɪələst, ˈlɔɪəlɪst/ BrE AmE noun [countable]
1 . someone who continues to support a government or country, especially during a period of change
2 . Loyalist someone from Northern Ireland who believes that Northern Ireland should remain part of the United Kingdom, and not become part of the Republic of Ireland ⇨ Republican
—loyalist adjective