squanderer

/ˈskwɑndərər/
noun
  1. A person who wastes money, resources, or opportunities in a foolish or careless way.
    • The lottery winner turned out to be a squanderer who lost everything within two years.
    • The company fired the squanderer who had been wasting office supplies for months.
    • My uncle is a notorious squanderer who can't hold onto a dollar.
Antonyms