Porirua Police want to locate Aaron Patrick Ellis who has a warrant for his arrest.
The warrant is in relation to a complaint that he has threatened to kill a family member. Ellis has also breached his bail conditions and a Protection Order.
Ellis was living in the Levin area but may be traveling. He is a horse trainer and may visit places such as race courses.
Police say Ellis is not considered dangerous but is unpredictable. Members of the public should not approach him.
Ellis is a 36 year old Caucasian, 186cm tall and of medium build.
Anyone with sightings or knows the whereabouts of Mr Ellis is urged to contact Police.