marrinikari

He stays near the front of the group and helps with herding them, but she's the one who actually knows the way; he's only been through the once and there was a lot of darkness in the relevant time period. He makes sure that not too many people are trying to cross that rope bridge at the same time, though, which means he's the last person across. It doesn't break. He shoulders to the front again when they're all on the far side.