Cat aggression help 😭

This is my baby boy ❤️

I love him so much and he's been a good boy 90% of the time. We recently got a roommate with 2 cats, very well behaved and usually are good around him, respect that he's the alpha kitty.

But this boy has been SOOO naughty. Scratching and biting randomly at people when they just walk by :( it's gotten so bad, I have a huge gash in my head from him most recently. I have so many scars from random attacks. He loooves getting the bottom of people's feet. this has been for months now. im not getting him declawed or giving him away, it's the only advice I've gotten so far ://