A list of persons marked out for special avoidance, antagonism, or enmity on the part of those who prepare the list or those among whom it Is Intended to circulate; as where a trades union “blacklists” workmen who refuse to conform to its rules, or where a list of insolvent or untrustworthy persons is published by a commercial agency or mercantile association. Masters v. Lee, 39 Neb. 574, 58 N. W. 222; Mattison v. Railway Co., 2 Ohio N. P. 279.