Print off all the threats and shit that this guy is sending and take it down to the RCMP detachment and say you want to press assualt charges under 265 of of the crimianl code:
265. (1) A person commits an assault when
(a) without the consent of another person, he applies force intentionally to that other person, directly or indirectly;
(b) he attempts or threatens, by an act or a gesture, to apply force to another person, if he has, or causes that other person to believe on reasonable grounds that he has, present ability to effect his purpose; or
(c) while openly wearing or carrying a weapon or an imitation thereof, he accosts or impedes another person or begs.
Application
(2) This section applies to all forms of assault, including sexual assault, sexual assault with a weapon, threats to a third party or causing bodily harm and aggravated sexual assault.
And Uttering threats under section 264.1 of the criminal code:
264.1 (1) Every one commits an offence who, in any manner, knowingly utters, conveys or causes any person to receive a threat
(a) to cause death or bodily harm to any person;
(b) to burn, destroy or damage real or personal property; or
(c) to kill, poison or injure an animal or bird that is the property of any person.
Punishment
(2) Every one who commits an offence under paragraph (1)(a) is guilty of
(a) an indictable offence and liable to imprisonment for a term not exceeding five years; or
(b) an offence punishable on summary conviction and liable to imprisonment for a term not exceeding eighteen months.
Idem
(3) Every one who commits an offence under paragraph (1)(b) or (c)
(a) is guilty of an indictable offence and liable to imprisonment for a term not exceeding two years; or
(b) is guilty of an offence punishable on summary conviction.