Thank you for your question.
Unfortunately, absent a contract with your employer, you are an at-will employer, which means you can have your hours cut for any reason that is not illegal or against public policy. Now the discrimination that is against public is discrimination based upon your membership in a protected class. So this would considered discrimination if she was discrimination against you because of your age, sex, gender, race, religion, disability, etc. The fact that she has a personal problem with you would not be considered a reason to sue for discrimination. Therefore there may not be anything you can do other than trying to handle the situation through your HR department. I am sorry.
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