Abettor

The Indian government has warned Facebook it will treat the company as a legal abettor to violence if it does not develop tools to better combat the spread of false information.

Thou foul abettor! thou notorious bawd! Thou plantest scandal and displacest laud:

[…] when he recollected that, being there as an assistant, he actually seemed—no matter what unhappy train of circumstances had brought him to that pass—to be the aider and abettor of a system which filled him with honest disgust and indignation, he loathed himself […]