Advice on a professional issue! Backstory is I'm a teacher's assistant and a college student in the field of Education.  I have worked with the same teacher my entire career. I thought we have had a level of trust between each other as we have both shared mutual frustration about the job. Well I found out yesterday when I was called onto the carpet by admin that she had been relaying everything I have been telling her up the chain. What is the most professional way to address the fact she betrayed my trust with her