[Orson Pratt] said that Allan Huntington [who] was appointed a missionary to the Indians had been guilty of swareing a great deal. He had herd him. It was then Moved & carried that He be cut off from the Church of Jesus Christ of Latter Day Saints. It was carried unanimously.
...Brother P. P. Pratt said to me that He thought the three Nephites could not vary well visit the Lamanites yet & tell them to believe what the Mormon Missionaries told them lest there might be occasionally a bad man among them who would sware as Huntington did or would take the advantage of them in some way so that it would cause the Lamanites to loose Confidence even in the Holy Messengers.
[Wilford Woodruff's Journal: 1833-1898 Typescript, Volumes 1-9, Edited by Scott G. Kenney, Signature Books 1993, http://amzn.to/newmormonstudies]