General Part, Chapter I.: General Principles of Liability.

Wrongs and wrong-doers.6. Every one is a wrong-doer who does or omits to do anything whereof the doing or omission respectively is by this Act declared to be a wrong.

Any person thereby becoming entitled to a legal remedy against the wrong-doer is said to be wronged by him.

Saving of lawful exceptions independent of Act.7. The liabilities declared by this Act are subject to all lawful grounds of exception, justification and excuse, whether expressed in this Act or not, except so far as they are varied by this Act or inconsistent with its terms.

Liability for wilful harm and unauthorized dealing with property.8. Every one commits a wrong who harms another—

(a) by an act intended to cause harm:

(b) by intermeddling without authority with anything which belongs to that other.