keeners

/ˈkiː.nɚz/
noun
  1. People who are very enthusiastic, eager, or hardworking, especially in a way that others may find excessive.
    • At the summer camp, the keeners woke up at dawn to practice archery while everyone else slept.
    • A few keeners in the office volunteered to organize the charity event on their weekend.
    • The teacher always appreciated the keeners who finished their homework before the deadline.
Antonyms