If we turned our backs on everyone who has done wrong, we would be living in a faceless world.
That said, does he take ownership of the wrong he did? Has he or is he working to make amends? Yes? It's your call if you want to keep him a part of your life. No? DTMFA, imho.
Who put the pedestal under him in the first place? They're generally not good places to put people.
Me: 48 - Married, straight, male
Shiela: My wife.
Suzanne: My FWB
Adam: Shiela's LDR