the reason for this ban just like the last time you were banned for this is the same, you are letting your friend live until its just you 2 left so you can then waste time, multiple people had made complaints during this time about you doing it. how am i meant to believe that you "didn't know he was a T" when i have personally seen you do this with another friend for multiple round in a row letting them kill people while you either watch them or turn a blind eye.
TTT General Rules:
Rule 17: Don't team up with players when you willingly know they're a traitor. (This includes turning a blind eye to traitor kills as an innocent)
Rule 2: Traitors must actively attempt to complete the objective.
I expected you to wise up and cut this out after the first time you were banned for this, clearly that wasn't the case and you still have the same disregard for server rules as before.
I'll leave the decision to higher ups as i was the staff member made the ban.