It was rather rare for humans to be accepted within the Orc tribe, so when the chieftain claimed her as his wife and pumped her full of his seed it was the greatest honor she could receive. (KorwuArts)
While most other races were generally scared of Orcs, some Night Elves seemed to worship them for their raw strength, often offering their holes to be blessed with Orc seed. (Noname55)
The Orc slavers were extremely efficient at catching and breaking in their newest property. Most new slaves learned quickly to submit and not try to resist their new Masters. (Sabu)