misuser

/mɪsˈjuzər/
noun
  1. A person who uses something in the wrong way or for the wrong purpose.
    • The library tracks misusers who damage or steal books.
    • The company banned any misuser of the software from the network.
    • A misuser of public funds can face serious legal consequences.
  2. A person who treats others badly or unfairly, especially by taking advantage of them.
    • She wrote an article about misusers of trust in the workplace.
    • The manager was known as a misuser of his authority over junior staff.
    • The court punished the misuser of power with a heavy fine.
What does "misuser" mean? | whatsthatwordmean | whatsthatwordmean