Reinert
"OK. I don't believe in being ambushed. I fight best when I'm the one doing the ambushing. Let's stop for a spell when we're about 15 minutes from the pass, & let me sneak ahead. You can chat about fishing for 10 minutes, then follow in your wagon. Looks like I'll be going alone. If I spot some uglies, I probably won't attack until you guys are close. I'd appreciate help if I start shouting."
Assuming they agree, Reinert will hop off the wagon when they're a little closer, & sneak forward. He'll pick the side of the road that seems to offer better concealment going forward, yet still be passable. He'll move at one half speed (10 foot/round) in order to use his max move silently & hide. Both of those are at a +5 modifier. He'll keep his comp bow in hand. He'll leave his backpack in the wagon, so he only brings his sword, quiver & dagger.