cryonaut

cryo- +‎ -naut

cryonaut (plural cryonauts)

1. One whose body is preserved by cryonics.
   • 2008, Debra Benita Shaw, Technoculture: The Key Concepts, page 170:

     But, on the other hand, this is to assume that life without death is meaningful or, in a more mundane sense, that a future world will welcome the addition of resurrected twenty-first century cryonauts […]

• noctuary