A fetish model is a model who models fetish clothing or accessories that augment their body in a fetish-like manner or in fetishistic situations. Fetish models do not necessarily work exclusively in that form of modeling.
Bianca Beauchamp modelling a latex corset
Bettie Page is tied and spanked in an image from Bizarre.
A model is a person with a role either to display commercial products or to serve as an artist's model or to pose for photography.
A female model posing on a typical studio shooting set
Models on runway at a fashion show
Jean Shrimpton in 1965
Beverly Johnson in 2007