guilt by association
The attribution of guilt to individuals because of the people or organizations with which they associate, rather than because of any crime that they have committed.
Examples from the Web for guilt by association
Contemporary Examples of guilt by association
Indeed, this form of shaming, blacklisting, and guilt-by-association is, itself, a form of defamation.Once Again, the Anti-Defamation League Defames
October 22, 2013