Section 78 - Duty to prevent harm to another person

A person is under a duty for preventing harm to another person

(a) if the first mentioned person is under a duty, as mentioned in section 79, to supply a person with the necessaries of health and life; or

(b) if the first mentioned person is otherwise under a duty, by virtue of an enactment, or by virtue of an office or employment, or by virtue of a lawful order of a Court or person, or by virtue of an agreement or undertaking, to do an act for the purpose of averting harm from a person, whether ascertained or unascertained.