The novel “Maske: Thaery” by Jack Vance was published for the first time in 1976. It’s part of a series of stories informally known as the Gaean Reach though it’s an autonomous novel.
Jubal Droad grew up in the Thaery continent on the planet Maske. When he reaches adulthood, he embarks on a rite of passage traditional among his people wandering the land. During one of the jobs taken in the course of his travels, the path he’s repairing with some workers collapses because of an arrogant nobleman who uses it despite his warnings, causing him serious injuries.
When he recovers, Jubal Droad go meet Nai the Hever, a very powerful man, with a letter from his uncle Vaidro. Thanks to that, he get a job that seems humble but he actually joins the local secret services. At the court, he meets Ramus Ymph and recognizes him as the nobleman who caused his accident and the clash between the two men is inevitable.