So sorry to hear that your clinicals are going so poorly this semester. Unfortunately, I had instructors like that too. We complained, took a teacher to the dean, and nothing ever happened. It sucks, but we managed to pull together and get through it. I'm not saying this instructor's behavior was acceptable in any way
Just take heart and realize that you are not alone in being treated poorly on the clinical floor.
One instructor routinely made people cry in my school. The staff was so used to seeing students cry that they didn't even get offended when they witnessed it. Strangely, this instructor never yelled at me in front of a patient. He did yell at me for jumping when he was drawing up medicine and I walked past the med cart and he squirted me. I didn't know what he was drawing up, and I didn't want to get stuck. But that SET HIM OFF!! He yelled at me in front of the other students, the nurses and the doctors. I remained very calm, and when he finished, I just said, "yes, mr ___, you are right. I should not be scared of you or your actions. I won't be alarmed next time. Please forgive my mistake." He never yelled at me again.
Another trick is to ALWAYS look busy. I'm sure that you usually ARE busy, but in the rare instance that you are not, you should appear to be overwhelmed anyway. This keeps instructors from bothering you too much. If you have nothing to do, change linens, or just carry linens into a room, talk to the patient for a while, do whatever the patient may need done, and take those linens out and put them in the laundry bin later on . And try not to be found. I'm not saying hide, but stay in patients rooms if at all possible. Take the time to talk to your patients rather than roaming the halls or chatting with students. Just make yourself scarce and you are less likely to be sought out.
Take heart, you are going to graduate soon and this will be over. Nursing is not always like your clinicals. I hope you can get things straightened out with this instructor before the end of the semester, though, for your sake and the sake of your fellow students.