He was referring to the fact that the settlers couldn't farm and that they were rude to the natives who knew how to so Powhatan said the natives couldn't help the settlers anymore. hope that helps :)
It is one of the main causes for the war.
Among those to voice displeasure with the policies of General James Oglethorpe and the Georgia Trustees during the early years of Georgia's settlement, the Malcontents issued the most vehement complaints.