Covers a wide range of behaviour of an offensive nature. It is commonly understood to be behaviour intended to disturb, threaten or upset, and it is characteristically repetitive.

Is deliberate deception to secure an unfair or unlawful gain. It is both a civil wrong (a fraud victim may sue the fraud perpetrator to remedy the fraud and/or recover compensation) and a criminal offence (a fraud perpetrator may be prosecuted and imprisoned by the government authorities).