(7) "Disability" means, with respect to a person:

(1) "Disability" means any condition or characteristic that renders a person an individual with disabilities but shall not include addiction to any drug or illegal or federally controlled substance nor addiction to the use of alcohol.

(4) "Disability" means:

"Disability" means any physical, mental, or neurological impairment which severely restricts a person's mobility, manual dexterity, or ability to climb stairs; substantial loss of sight or hearing; loss of one or more limbs or use thereof; or significantly [...]

"Disability" means a physical or mental impairment which substantially limits one or more of a person's major life activities, unless an employer demonstrates that the employer is unable to accommodate reasonably to an employee's or prospective employee's [...]