Do I have to remain employed at the job that is discriminating against me to file a law suit?

• insurance companies make money
• brain injury lawsuit

I have the opportunity to leave and earn the money I should be earning based on my abilities and if offered another position outside the company, I will leave to increase my income whether or not I am able to file a lawsuit against their discriminating actions.

Do I have to remain employed at the job that is discriminating against me to file a law suit?