He is a fast/slow 'walker'. [=he walks at a fast/slow pace]
She joined a group of 'walkers' in the neighborhood.
(..) he never had. Mormont isn't gonna save you. This lummox here isn't gonna save you. When the walkers come calling, Craster will serve us up like so many pigs. If we want to live... we'll have to look out for ourselves. (..)2013 TvShow: Game of Thrones Title: And Now His Watch Is Ended Season: 3 Episode 4