oliverian
/ˌɒlɪˈvɪəɹiən/
Etymology
From Oliver + -ian.
oliverian means A supporter of Oliver Cromwell. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- A supporter of Oliver Cromwell.“Colonel Ludlow, an old Oliverian, and one of King Charles the First his Judges”