the election of Makarios III to archbishop gave him the status of the ethnarch of Cyprus.
Examples of ethnarch
ethnarch
Archelaus had, however, to be content with the title of ethnarch rather than king.
From the en.wikipedia.org
Like a medieval Pope, the ethnarch is both a secular and religious leader.
From the time.com
Herod Archelaus deposed as the ethnarch of the Tetrarchy of Judea.
From the en.wikipedia.org
The patriarch, as the highest ranking hierarch, was thus invested with civil and religious authority and made ethnarch, head of the entire Christian Orthodox population.
From the en.wikipedia.org
More examples
The ruler of a province (as in the Roman Empire and Byzantine Empire) or certain religious rulers with secular authority; "the election of Makarios III to archbishop gave him the status of the ethnarch of Cyprus"
Ethnarch, pronounced /u02C8u025Bu03B8nu0251u02D0rk/, the anglicized form of ethnarches (Greek: u1F10u03B8u03BDu03ACu03C1u03C7u03B7u03C2), refers generally to political leadership over a common ethnic group or homogeneous kingdom. The word is derived from the Greek words u1F14u03B8u03BDu03BFu03C2 (ethnos, "tribe/nation") and u1F04u03C1u03C7u03C9u03BD (archon, "leader/ruler"). Strong's Concordance gives the definition of 'ethnarch' as "the governor (not king) of a district."
(Ethnarchs) The same way that individual human being have guardian angels, so larger groups are watched over by particular angels.The earliest biblical evidence that angels are in charge of nations appear in Daniel chapters 10 & 12.
A ruler of a province in the Roman or Byzantine Empire. Herod Archelaus was made ethnarch of Judaea, to drive the point home that Judaea was not an independent kingdom but just a Roman province.
Literally the ruler of an ethnic group, ethn/archos, though the term could be used in different ways.