"Really, he knows he'd done that," she replied.
The teenager said she received about 50 text messages and 10 missed calls from Harrison.
Harrison, 46, is well-known in Kaitaia for working with at-risk youths and has also been heavily involved in the waka ama movement. In 2012 he captained the waka Te Hono ki Aoteroa on London's River Thames for the Queen's 60th jubilee.
He had worked in the community as a social worker for more than 18 years and last worked in that role for Child Youth and Family in the Tai Tokerau Youth Justice arm.
His alleged victim is not someone who was referred to him in a work capacity.
In late 2015, Harrison was awarded a $100,000 Vodafone World of Difference funding which went towards waka wananga run by Nga Waka o Te Taitokerau.
Ministry of Social Development yesterday declined to comment.