royalists

/R OY1 AH0 L IH0 S T S/
noun
  1. 1

    A monarchist (supporter of monarchy) or supporter of a particular royal régime.

  2. 2

    A legitimist, a supporter of a particular royal line, especially one in danger of being dispossessed of a throne or actually dispossessed of such, and claiming to have the better claim to the throne on the basis of line of descent; especially:

Synonyms

Antonyms

Source: https://en.wiktionary.org/wiki/royalist, https://en.wiktionary.org/wiki/royalists