To be a good auditor, you must build trust with the organization being audited. This involves being personable, friendly, and tactful. It is important to communicate audit findings in a constructive way, pointing out improvements while also documenting any issues. Auditors should avoid coming across as arrogant or getting into arguments. They must be good listeners and look professional. Overall, an auditor's goal is to provide an accurate report while maintaining a trusting relationship with the client.