You need to appreciate that a lot of people here have given you advice, insight after years of working in offices, tried to help but every time you brush people off like we’re talking crap and you don’t wanna hear it that these gripes you have happen everywhere. We’re not just saying it’s a case of “work is shit, deal with it” but if you look hard enough at every single workplace, you will find something that you don’t like or pisses you off. You will find people who are rude and bully people. You will be put into situations you don’t like and guess what, you have to deal with them or go find a new job.
You have to learn certain skills working in offices because not all of them, even big huge corporations and workplaces, have their shit together or are perfect. Most of those skills are just ignoring it and getting on with stuff, coping in the ways you know how to cope.
If you genuinely feel this one person is consistently bullying you and treating you unfairly, you need to speak to someone at work about it and file a report. You cannot expect it to change and you also cannot live your live looking for fault and seeming to try to catch them out in other ways.