plighter

/ˈplaɪtər/
noun
  1. A person who makes a pledge or promise, especially in a romantic or formal context.
    • The young plighter vowed to love her forever.
    • She was a faithful plighter, always keeping her word.
    • In the old story, the plighter broke his promise and fled.
What does "plighter" mean? | whatsthatwordmean | whatsthatwordmean