1. A class of people that are declining in social stature, health, or mental ability after becoming tainted by exposure to or the adoption of a unclean, poisonous, or polluting ideology.
2. Any group who on the surface appears to rally people under a common cause, while maintaining a secret aim of destroying or otherwise sabotaging them.
Sick of seeing the contaminati at my job promoting the separation of American blacks and Africans.