How do you prove mistreatment from manger?

To prove mistreatment from a manager, document specific incidents that demonstrate inappropriate behavior, such as harassment, discrimination, or unfair treatment. Collect evidence, including emails, text messages, and witness statements, to support your claims. Additionally, keep a detailed record of dates, times, and the context of each incident. If necessary, report the mistreatment to HR or relevant authorities within your organization, providing your documented evidence.