The Koha Knitters group sometimes looks for wool donations or local sourcing for charity, which might fit into a "long story" context.
For smaller quantities or hobby farm wool, local Facebook groups in the Kumeu, Muriwai, and Waimauku area are active for connecting with people looking for wool, including free to good home options for shearing days. wool buyer waimauku
(Are you selling, looking to donate, or looking to buy?) The Koha Knitters group sometimes looks for wool
Based on your request, here are the most relevant local connections for wool in the Waimauku/Kumeu region: local Facebook groups in the Kumeu