A 'vulnerable person' means a person, other than a child, who–
a) is suffering from a disorder of the mind, whether as a result of mental illness or dementia,
b) has an intellectual disability,
c) is suffering from a physical impairment, whether as a result of injury, illness or age, or
d) has a physical disability,
which is of such a nature or degree–
i) as to restrict the capacity of the person to guard himself or herself against harm by another person, or
ii) that results in the person requiring assistance with the activities of daily living including dressing, eating, walking, washing and bathing.