From A Wiki of Ice and Fire
Gueren is a member of the Night's Watch. He is a wandering crow, a recruiter who scours the Seven Kingdoms in search of new recruits for the Watch.
A Game of Thrones
Gueren's imminent returns make Ser Alliser Thorne choose those recruits he believes are trained enough to become members of the Night's Watch to make way for the new ones that Gueren is bringing to Castle Black.
- ↑ A Game of Thrones, Chapter 38, Tyrion V.
- ↑ A Game of Thrones, Chapter 41, Jon V.