He betrayed your team once, but mostly you. He knew that you liked him, and he used you for his own purposes. He was playing with you. It's like you're a herbivore being hunted by a predator.

A few years later, you met in a place where it would seem that the chance of meeting should have been 0%, but it happened in a simple eatery. He was silently looking at you, and it seemed like he wanted to ask you something, but he didn't say anything