I think I have a crush on a jerk?

Alright so I'm not too close with this guy it's just obvious flirting. It's more than acquaintances but less than a relationship. So it's kind of a flirtationship. Nothing has really happene though lately.

I have a friend though that thinks he's a major jerk. For instance, there's this girl that is extremely shy, hates basically everyone, and yells at anyone who tries to talk to her. Even if they're trying to be friendly.

According to her he was bombarding with her random questions but compared to what everyone else does to her, that's nothing. So my friend called him out on it and called him a d*** and I guess he told his friend.

Yesterday as we were walking through the hallways, she told me that the previous day on the bus, these girls (one of the two I'm kind of friends with) were sitting in his seat. (But their aren't assigned seats, everyone just kind of sits in the same seat every day). She said he was like, "get the f**k out of my seat" and they refused to leave. and of my friend is right, he kept calling her a b**ch. and she began crying and saying that nobody liked her.

I've never seen him behave that way but he probably thinks swearing makes him cool. I don't know. Can I get any advice? Does it sound like he is and it could just blow up in my face? He's never behaved like that around me but I haven't spoken to him in a week or so.