I'm behind you
Don't turn around
I can find you
In addition to being a central theme on Reflektor (he is featured on the cover), Orpheus is a figure in Greek mythology, a musician whose capabilities are so masterful that he is said to have brought his deceased wife Eurydice back to life.
This line expands upon that story, in which Orpheus rescues Eurydice back from the underworld following death by snakebite, under the condition that he cannot turn around to look at her as they make their journey back to the overworld.
To help improve the meaning of these lyrics, visit “It's Never Over (Hey Orpheus)” by Arcade Fire Lyrics and leave a comment on the lyrics box