The Kenyan preacher at the centre of a doomsday cult that led to the deaths of more than 400 people, Paul Mackenzie, was found guilty, but not of their killings.
A court in the coastal town of Malindi convicted him of illegally operating a film studio associated with his preaching and distributing films without a valid filming licence.
The magistrate, however, acquitted him of the offence of inciting children against attending school.
Mackenzie could face imprisonment of up to five years or pay a fine. Sentencing has been scheduled for next month.
Mackenzie has not been formally charged in relation to the death of hundreds of his alleged followers, despite being in custody since April.
The discovery of the bodies in shallow graves in a forest shocked Kenya earlier in the year.