Unfortunately, unprofessional and rude behavior in the workolace is not actionable. In order to have a claim for something called a "hostile work enviornment", your treatment would have to be due to your race, religion, gender, nationality, disability, age or any other form of legally actionable discrimination. The fact is that unless these actions violate the terms of a union agreement or employment contract, there really isn't much that you can do about this except find a new job.