A guardian, an executor or administrator of an estate, who is appointed as such under the laws of this state, and who, as such guardian, executor or administrator, is entitled to the possession of the lands belonging to the estate which he or she represents, may, on behalf of his or her ward or the estate which he or she represents, upon being thereunto authorized by the proper court, sign and acknowledge the petition in this act mentioned, and may show cause, as in this act mentioned, why the boundaries of the district should not be changed.