"Warning out" is the term used in colonial New England to ask individuals and/or families to move out of the town.  Typically such a person who moved into a colonial town would be asked to leave because they had no ties to the community and could become a financial burden to the town. A suggested book on the subject: Ruth Wallis Herndon, UNWELCOME AMERICANS:  LIVING ON THE MARGIN IN EARLY NEW ENGLAND (Philadelphia, 2001)