R. A. Lafferty

Earther n.	1966 R. A. Lafferty Among Hairy Earthmen in Galaxy Magazine Aug. 90/2 Even today, the Eretzi or Earthers haven’t the details of it right in their histories.
Earther n.	1968 R. A. Lafferty Reefs of Earth 20 Wherever they stopped, there were always a few Earthers who called them goblins and buggers and neanderthals, and who hated them.
Earthian n. 1	1966 R. A. Lafferty Primary Education Among the Camiroi in Galaxy Science Fiction Dec. 186/2 Seeing that you were Earthians, he spoke in Hindi, which is the tongue used by more Earthians than any other.
Earthian adj.	1966 R. A. Lafferty Primary Education Among the Camiroi in Galaxy Science Fiction Dec. 184/2 Colloquial English is one of the six Earthian languages required here, you know.
Earthside adj.	1966 R. A. Lafferty Primary Education Among the Camiroi in Galaxy Science Fiction Dec. 187/1 Come along Earthside lady, I’ll make you some others.
posthuman adj.	1976 R. A. Lafferty Not To Mention Camels vi. 75 Even from a purely technical point of view, you have advanced the posthuman personality beyond any others.
starfarer n.	1961 R. A. Lafferty Weirdest World in Galaxy Magazine June 76 As I am now utterly without hope, lost to my mission and lost in the sight of my crew, I will record what petty thoughts I may have for what benefit they may give some other starfarer.