If you desire to know who it is lays this command upon you, that you may be more firmly bound to obey it, know that I am the valorous Don Quixote of La Mancha, the undoer of wrongs and injustices.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "undoer" in a variety of sentences. We hope that you will now be able to make sentences using this word.