9.—(1) A person who, with a view to compel another to abstain from doing or to do any act which that other has a lawful right to do or to abstain from doing, wrongfully and without lawful authority—
(a) uses violence to or intimidates that other person or a member of the family of the other, or
(b) injures or damages the property of that other, or
(c) persistently follows that other about from place to place, or
(d) watches or besets the premises or other place where that other resides, works or carries on business, or happens to be, or the approach to such premises or place, or
(e) follows that other with one or more other persons in a disorderly manner in or through any public place,
shall be guilty of an offence.
(2) For the purpose of this section attending at or near the premises or place where a person resides, works, carries on business or happens to be, or the approach to such premises or place, in order merely to obtain or communicate information, shall not be deemed a watching or besetting within the meaning of subsection (l) (d).
(3) A person guilty of an offence under this section shall be liable—
(a) on summary conviction to a fine not exceeding £1,500 or to imprisonment for a term not exceeding 12 months or to both, or
(b) on conviction on indictment to a fine or to imprisonment for a term not exceeding 5 years or to both.