Orc Slaver

Orc Slavers are NPCs that spawn in Orc Slaver Towers in the Mordor province of Núrn. You can buy slaves of Núrn from him for 40 silver coins provided that you have done enough evil to in Middle-earth to prove your worth to darkness.

Trading
Orc Slavers sell slaves of Núrn, who will farm whatever seeds you give them and harvest them when they are fully grown.