Bum:
Sam looks like well a human bum. He wears a old cloak.

https://cdn.images.express.co.uk/img/dynamic/20/590x/secondary/Walking-Dead-Beta-outfit-2063074.jpg?r=1568789812115

Essentually he looks like the above minus the mask and has a hood to hide some of his face. Its more 'bum like' like more ragged.

Sam (Tielfling) Kinda like below. Didnt put much thought into it lol! He looks more 'gruff'
https://images.kanka.io/user/ZURGRjMPJOm2xlusYhtEZqi-hiE=/smart/src/races%2FNYNmYaKNBXy9sUloCz8VYSbTzPxBRfNXJWQNhfXN.jpg?webpfallback