E.C. Tubb 
Jester at Scar [EPUB ebook] 
The Dumarest Saga Book 5

Scar: a harsh, inhospitable world with a vicious and shifting population of prospectors, drawn from every corner of the galaxy by rumours of a miraculous golden spore.To this violent planet come two more travellers, ready to try their luck among its lethal jungles: the cruel, mocking Lord of Jest — and Dumarest, driven by destiny on his endless search for Lost Earth . . . (First published 1970)