Niva'Jijn
From Oberon_wiki
The Niva'Jijn (pronounced Nee-VAH-Jeen) is the Elven name for the head of the church of Corellon. It is an elected position and it is held for a term no shorter than 120 years, and no longer than 150.
As Elven society is a theocracy the Niva'Jijn is, in effect, the ruler of the Elves.