(Found) Please Help Pirates, Slave Mines in Weyland

[BedeA]

Science fiction There is a angle that has his wings taken
Father is a pastor
Son is taken by Far advanced flying vehicle
Taken to mine
Father has bad past where he was a pirate
Father brother is a pirate
King sells His people as slaves to advanced people
Advanced people are is clases
Duncan is the son of rich main who is also taken
Weyland the country Name ?
The slaves mines

 

[M. Robert Gibson]

I've just done a search for some keywords - Weyland duncan mines pirate pastor
and came up with this In Dark Service, which sounds promising
In Dark Service (Far Called Trilogy, #1) by Stephen Hunt
In Dark Service by Stephen Hunt – SFFWorld