 He had also convinced Percival Willoughby to invest and establish ownership of a tract of land near the colony.Slany had predicted the failure of the colony because of disagreement with John Guy when he accused him of deceiving the Newfoundland Company over the Island’s mineral resources in 1616.Slany taught English to the Patuxet Native American tribesman, Tisquantum (better known as Squanto) and brought him to Cuper's Cove as an interpreter and expert on North American natural resources.