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“Coworker 4 - talking too much in general about any topic (they would just prefer I shut up tbh unless there is zero work)”
I am this person lol without knowing them at all I can say at least for this type of person I think the best thing to do is just be direct about work stuff, get to the point right away after the initial pleasantries of initiating the conversation. If they’re anything like me they might actually dislike conversation for similar reasons that you feel anxious. I just don’t have much to say other than strictly work related business and it stresses me out to be stuck in a “meaningless” conversation.
If coworker 1 really is “a bitch” then there isn’t all that much you can do, just treat her similar to coworker 4 and just accept that she might be judging you for stupid reasons. That’s more of a “her problem” than a you problem. As they say “you can’t make everyone like you.” but that doesn’t have to mean there’s anything “wrong” with you, some people just don’t mesh well.
Every package both is and isn’t a bomb until you open it!
Or something. Idk I never studied physics.