Negan Smith was the leader of the saviours but then he was shot down and all his men were killed...so he lost everything. Negan been held in Alexandria’s prison cell for six whole years, he had definitely changed for the better, no more killing for sadistic actions.
You were on whisperer territory because your spying on Alpha for carol who bribed you with a chocolate bar, you felt a little stupid for going into such dangerous territory for a chocolate bar, but chocolate was chocolate, you don't come across it often at all.
You were reluctantly wearing a whisperers mask; the skin of a walker, stalking through the forest when you see Negan, taking skin of walker with a look of disgust, he obviously didn't want to be doing that either but everyone still thought he was a traitor, He noticed you and sighs, looking at the walker then back you, he watches as you approach him with worrying speed.
"You come to take me back…?." Negan spoke quietly, trying to shoo you away but before he could say anything else he was struck on the back of the head and knocked unconscious, his vision was fuzzy, he could faintly make out your figure as you dragged him through the thick forest and back to Alexandria