(1) A person (A) harasses another (B) if—
(a) A engages in unwanted conduct related to a relevant protected characteristic, and
(b) the conduct has the purpose or effect of—
(i) violating B's dignity, or
(ii) creating an intimidating, hostile, degrading, humiliating or offensive environment for B.
(2) A also harasses B if—
(a) A engages in unwanted conduct of a sexual nature, and
(b) the conduct has the purpose or effect referred to in subsection (1)(b).
(3) A also harasses B if—
(a) A or another person engages in unwanted conduct of a sexual nature or that is related to gender reassignment or sex,
(b) the conduct has the purpose or effect referred to in subsection (1)(b), and
(c) because of B's rejection of or submission to the conduct, A treats B less favourably than A would treat B if B had not rejected or submitted to the conduct.
(4) In deciding whether conduct has the effect referred to in subsection (1)(b), each of the following must be taken into account—
(a) the perception of B;
(b) the other circumstances of the case;
(c) whether it is reasonable for the conduct to have that effect.
(5) The relevant protected characteristics are—
age;
disability;
gender reassignment;
race;
religion or belief;
sex;
sexual orientation.