There's not much you can do right now. Start to make your exit plan to get out on your own. You have a good start, a job.

Clean your own room, do your own laundry so that she has no excuse to be in your personal space. Get a lock for your room. Buy and prepare some food for everyone once in a while.

Be kind but firm when standing up for yourself and your privacy, no discussion or argument. Do these things in a consistent manner.

Remain as considerate as you can with an eye to your future relationship with your father and his wife.

Update I now have a lock on my door as my dad agrees I need my privacy. Thank you to everyone for your advice.

Sounds like she's insecure and afraid you'll steal your dads attention. Remind her you're an adult able to make your own desicions. And if she stands in the way for you having a job, she's standing in the way for you to move out and make a life of your own.

Meanwhile, do everything in the house as if you already live on your own. Cleaning, cooking, laumdry etc. Prove to her you're your own person.

Put something in the drawers so embarrassing for her she will never look in them again

Try to hang in there for now. Hopefully you 2 will eventually get along or find common ground

Put a lock on your door and say you should have some privacy at your age

If you have a job, save up enough money to move out!

Confined is right,,your the age you need some freedom,,,

By your drawers, you mean furniture and not your pants, right? 😉

Obey her. She is your mom!

You're over 18, right? That's what it says on your profile. If she can't respect that, put a lock on your door, one on your phone, and tell Dad you don't appreciate the way she's acting.