Known as diktharr in the language Coraabish.
Graver is a slang term for a driver (pilot) of an antigrav or magrav. A graver might be a living or an artificial intelligence.
Zolgraver - an antigrav driver in races orahinzed by ZoloX
Monograver - a civilian driver of a monograv
Wargraver - a driver of a military or police antigrav
Taxi-graver - a "neo-ricksjaw" of Coraabian megapolises