If you survived the lag you've probably already obtained your garrison and a few followers —special NPC buddies you can send on various missions. Rares or a few epics, but most likely not the best ones. BellularGaming is here to help with a complete guide on current followers and how to find them on Draenor.
As you can see in the video below, the expansion is full of followers all over the zones. The garrison's limit is 20 active followers (25 with level 3 Barracks), so you might wanna go for the really special ones, Leeroy Jenkins included.
Garrison Follower Guide - How To Get All Followers - Warlords of Draenor Patch 6.0.3 [BellularGaming, YouTube]
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