I am part of a long standing large friendship group - friends from school. I am only close to 5 of them but see the rest every so often. I clash with one of the outer members quite a bit - he is very needy and makes situations all about them. He seems to irritate quite a few people - think Boris Johnson vibes. He does have many good qualities but I can only enjoy his company in small doses. I never talk about him behind his back but I will openly confront him and we’ve had heated words several times. This is fine - we both know where we stand.
For the last year, every time I’ve met friends from this group without him present, he is the hot topic of conversation. This has led to outright bullying - about his appearance, oddities and mannerisms. It’s really very vile. Each and every time I shutdown the conversation and if I am not successful I leave the group.
Here is the problem - he has somehow got wind of these conversations and has either been told that I am responsible or made that assumption based on our fragile relationship. He is giving me a hard time constantly. In reality, it’s the people he is closest to that are leading the bullying but they are also being super nice to his face. I know it would hurt him terribly to find this out. AIBU to tell him the truth?