[header] How to file a discrimination lawsuit [title] Organize your evidence and documentation. [step] Before you file a complaint or charge with an administrative agency, you should gather all documents and information you have that supports your claim so you can fill out the required forms completely and accurately. [substeps] Proving discrimination often can be extremely difficult, because it's rare that anyone engaging in discrimination will leave a paper trail. 
You'll want to gather any documentation you have though, including any written communication you've had with the person you believe discriminated against you. You also should gather any other documents or information related to your claim.