procrastinator

/prəˈkræstəˌneɪtər/
noun
  1. A person who delays or postpones doing something that should be done, often out of laziness or avoidance.
    • The project was late because the team leader was a procrastinator who kept pushing deadlines.
    • My brother is a classic procrastinator who waits until the night before a test to study.
    • As a procrastinator, she always puts off cleaning her room until it's absolutely necessary.
Antonyms