Guy's Behavior

I broke up with this pathetic guy. But not sure how to work with him. Is he narc or immature? How to make work life better?

He liked me. I rejected. He got damn upset. 6 years later Post my breakup with my boyfriend, I went to him and he rejected me.
He acts like I never existed and flirts with everyone but me. But somehow keeps saying “Your body belongs to me” and so on. He keeps giving rape threats and forcing for nudes. He would often force me to sleep with him just to get consent and then wouldn’t turn up. He was very possessive and controlling as well. I blocked him and left.

Half of his friends knew he was chasing me like a puppy and for the rest he acts like I’m the one chasing him. And strangely, everyone believes what he says.

Yestersay I saw him with his friend. He told his friend that I used to talk to him and now left him. We sat next to each other and I didn’t make an effort to talk.

He isn’t even taking responsibility or accountability of his own actions.

Now he is my boss at my workplace.

I broke up with this pathetic guy. But not sure how to work with him. Is he narc or immature? How to make work life better?
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