When someone is injured on the job, they have a worker's compensation claim. Their employer must send them to a doctor for treatment, and they may be entitled to disability benefits.
When someone is injured as the result of the negligence of another person they are entitled to damages the injury causes.
If someone is disabled and cannot work for 1 year or expected to be disabled for 1 year, they may be entitled to social security disability from the federal government.
Anyone who is disabled and has taxes withheld from their paycheck can receive state disability if they are not receiving workers compensation temporary disability benefits.
When someone is terminated from their job, or harassed based on discrimination due to race, religion, sex, age or filing a worker's compensation case, they may be entitled to damages against their employer.