He is a fast/slow 'walker'. [=he walks at a fast/slow pace]
She joined a group of 'walkers' in the neighborhood.
(..) the back of the truck, I heard a couple of them talking about this. This is for a herd. That's why it's a steel cable. It's not just for one walker. It's for a lot. We need these explosives. Yeah. But we have to figure out how to disarm it first. (..)2017 TvShow: The Walking Dead Title: Rock in the Road Season: 7 Episode 9