He preached and sang among these people for a short period, and finally returned to Marietta. He was again summoned by the voices in the night impelling him to make another pilgrimage. This time he drifted into a settlement of whites, to whom he preached with much success, moving many of them to repentance and organizing them as a church. He then proceeded to Upper Sandusky, the home of the Wyandot Indians, who, having never received the gospel, although the Roman Catholics had unsuccessfully tried to evangelize them, had fallen back into a worse state of heathenism and especially drunkenness, resulting from the vices imported by traders. Here he had the opposition of William Walker, the government agent, who did not take well to his message, but on being converted very soon thereafter, Walker gave Stewart less trouble in reaching the Indians. Another great hindrance, however, was the coming of the other white traders, who prospered by the liquor traffic that they carried on with these Indians. At first they tried to show that Stewart was not properly authorized as a minister and should be denied the right to preach; but having then the support of William Walker, the zealous missionary succeeded in delivering his message. Some of the Indians, too, felt that the gospel which he preached was not intended for the Indians but for the white man, although Stewart endeavored to show that this boon was for all nations and for all people. He persisted in holding his position, and in the end success crowned his efforts in bringing about the conversion of all of the prominent chiefs of this tribe.