In The Elder Scrolls V: Skyrim for the PC, PS3, and Xbox 360, there are several companions and mercenaries (aka followers) that can follow you around to help you fight and carry your stuff. Every now and then they may wander off and get lost, so what can you do to find them?
The first thing you can do is Fast Travel to a different location. Bring up the map, select a location you’ve visited before, and select Fast Travel Typically when you fast travel, any current followers will be teleported to you no matter where they were.
Another option if that doesn’t work is to visit your house if you have one, or visit the place where you first encountered them. If they’re not there, try to wait or sleep for three days. If you left your follower waiting somewhere, they will stop waiting on you after three days and return home.
If that doesn’t work, it might mean that they wandered off and died, and hopefully you have a saved game before that point.