"Disabled worker" or "worker" means an individual whose earning capacity is impaired by age or physical or mental deficiency or injury for work (s) he is to perform.
"Disabled trainee" or "trainee" means an individual whose earning capacity is impaired by age or physical or mental deficiency or injury, and who is receiving or is scheduled to receive on-the-job training in industry under any vocational rehabilitation program.
19 Del. Admin. Code § 1102-2.0