"(1) A person must not pursue a course of conduct- (a) which amounts to harassment of another; and (b) which he knows, or ought to know, amounts to harassment of another."
"For the purposes of this section, the person whose course of conduct is in question ought to know that it amounts to or involves harassment of another if a reasonable person in possession of the same information would think the course of conduct amounted to harassment of the other."
"References to harassing a person include alarming the person or causing the person distress."
"A 'course of conduct' must involve- (a) in the case of conduct in relation to a single person, conduct on at least two occasions in relation to that person."