Disabled individual is refers to under the ADA guidelines, an individual with a disability is a person who: has a physical or mental impairment that substantially limits one or more major life activities; has a record of such impairment; or is regarded as having such impairment.
Disability under Social Security rules are defined as an individual who is unable to perform work that he or she was previously able to perform and the individual cannot adjust to other work because of his or her medical condition(s), which is expected to last for at least one year or to result in death.