I think my friend is a Narcissist

I don't like to use Narcissist a lot, but I am starting to see a lot of Narcissistic behavior in a friend of mine. Especially after being around a few growing up, I have educated myself quite a bit after a few situations/events. Anyways.. This said friend has a tendency to lead women on, especially women that have been through a lot of trauma such as myself, however he does not treat me the same way he treats the others'. I suppose you can see he gives me a lot more respect than the women he leads on/ cheats on. Recently, he came to me asking if I wanted to be friends with the current woman that he was with at the time. Fast forward, a few weeks the woman came to me telling me some really horrid things, like he was coaching her on what she can/could not say, controlling her every move along with a few more things. An alert when into my brain and needless to say I helped her get out of it. Now he has another woman that he has trapped by his mask. Quite frankly I am worried for the new woman, because during getting the woman he wanted me to be friends with out of the situation. He was becoming very belligerent with the woman he wanted me to be friends with, calling her all sorts of names. An I started to notice that each time, I confront him with the concern I have he always calls them fake and never wants to own up/take accountability for being abusive towards them emotionally,mentally and verbally