kaiwhakawhiwhi ratonga
1. (noun) service provider.
Mehemea kāore te kaiwhakawhiwhi ratonga e whakaae ko tēnei te katoa o te utunga ka pēnei ia ... whakahokia atu tō haki, purua rānei ... ki roto pēke pūtea (RT 2013:22). / If the service provider does not agree that this is the total payment it should return your cheque, or put it into a bank account.