But you said in your OP that you "know" he's participating in human trafficking. What activities is he engaging in that you refer to in your OP that you confronted him about? How did you find this information out? You already confronted him, he got angry for being confronted, and now you want to go to his family and friends? I'm confused by your post. You say you know he's doing illegal things with trafficking people and you confronted him about it, but you don't want to report him to the authorities because you don't have incriminating evidence? So, what did you confront him about? A suspicion? Someone reported his activity to you? What makes you think it's safe to go to his family and friends about him since you already confronted him and he got angry which scared you? What "context" led you to believe he's participating in human trafficking? Context usually refers to third hand conversation or rumors. Doesn't it?