eternitarian 

One who believes in the eternity of the soul.

She told me she knew me in a past life and will love me in the next. I think she is some sort of eternitarian.

I mean, an alien.

eternitarian by bbrittnie April 1, 2016

Eternitian 

The Eternal One, a sword-carrying angelic hero who is often found in the company of one KijiLinn

That Eternitian is a nice guy.

Eternitian by Wheely Big Vampyre January 29, 2005