Who are the 'wild men'?

[Elmo]

Originally Posted by William Cloud Hicklin

Just to toss some more red meat into the dog-pit, I'll observe that the "fall" of Rhudaur (from the Numenorean standpoint) was effectively an Angmar-aided revolt of the native population against their minority Dunedain overlords.

Gondor conquered swathes of Rhun and the Harad as well. Small wonder men from the Northern Waste to the Southern heats turned to Sauron to drive out their Numenorean oppressors.