Castaway /(?)/

Cast·a·way

Castaway

n.
  1. One who, or that which, is cast away or shipwrecked.
  2. One who is ruined; one who has made moral shipwreck; a reprobate.
    Lest . . . when I have preached to others, I myself should be a castaway.
    — 1 Cor. ix. 27.

Castaway

a.
  1. Of no value; rejected; useless.