esper

ESP +‎ -er.

esper (plural espers)

1. A person who practices the development of psychic ability.
2. (chiefly science fiction) A person supposed to have paranormal abilities.
   • 1942 June 1, Smith, Edward Elmer, “Storm Cloud on Deka”, in Astonishing Stories, volume 3, number 4:

     I don't know why anybody would be spying on me, either, but—I'm neither a Lensman nor an esper, but I'd swear that somebody's peeking over my shoulder half the time.

   • 1950 August 1, Bester, Alfred, “The Devil's Invention”, in Astounding Science Fiction‎, volume 45, number 6, page 139:

     But Espers can’t pick up any EK brain pattern farther than the horizon. It’s direct wave transmission. Even large objects cannot be penetrated. A building, say, or a—

• (person with paranormal abilities): telekinetic, telepath

• Peers, Perse, Spree, peers, per se, perse, pères, speer, spere, spree

Probably a deverbal of esperar.

esper m (oblique plural espers, nominative singular espers, nominative plural esper)

1. hope

• von Wartburg, Walther (1928-2002), “spērāre”, in Französisches Etymologisches Wörterbuch (in German), volume 120, page 165