Should I ask my S/O if one of his friends is capable of rape?

Okay, so this might sound stupid, but recently I had a lot of rape dreams. They've stopped now but I'm still paranoid. One of my S/O's friends lives with us upstairs (we're downstairs) and they haven't been very close since he moved in. But I'm paranoid he might try to make a move on me or worse. He's also made some rape jokes in the past (not like joking about doing it to me or anything, just general) and he's kinda a pervert. Idk he just kind of gives off that vibe that either he would try full blown rape or just try hitting on me. I just wanna ask my S/O about it and if he thinks its a threat or not. He might react in an understanding way, or he might get upset that I would think like that. Idk. Am I being stupid? I have been raped in the past so thats also why I'm paranoid. Help?

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