The head of the Waikato-Tainui executive is confronting his accusers - demanding they provide proof that his tribal arm has brought the iwi into disrepute.
Tom Roa - the chair of the executive known as Te Arataura - has written to the two marae that have levelled the accusations.
He says his group has done well servicing the people in the eight month's since the executive panel was elected.
At the weekend, Tania Martin lost her role as chair of the tribal parliament, after being accused of bringing the parliament into disrepute.
The fate of executive members is due to be discussed at the iwi's annual general meeting early next month.