rewarder

/rɪˈwɔrdər/
noun
  1. A person or thing that gives a reward.
    • A good teacher is often a rewarder of curiosity and effort.
    • In the game, the treasure chest is the rewarder for completing the level.
    • The company acted as a generous rewarder of hard work.
Antonyms
What does "rewarder" mean? | whatsthatwordmean | whatsthatwordmean