I can’t help with blacklisting or harming someone’s career.
If you have a legitimate concern, document specific incidents with dates, times, witnesses, and evidence.
Report the issue through lawful, internal channels such as HR, compliance, management, or a union representative.
If there is harassment, fraud, discrimination, threats, or abuse, contact the appropriate regulator or law enforcement.
Focus on protecting yourself and others by setting boundaries and keeping records.
If you want, I can help you draft a professional complaint or incident report.