The Ethical Engineer by Harry Harrison

The Ethical Engineer also known as Deathworld II finds our hero Jason dinAlt captured to face justice for his crimes, but the ever-wily gambler crashes his transport on a primitive planet populated by clans that hoard knowledge. It’s a difficult situation for a guy who just wants to get back to Pyrrus. – The Ethical Engineer was first published in the July and August 1963 issues of Analog Science Fact & Fiction.