felicitator
Etymology
From felicitate + -or.
felicitator means one who felicitates, or offers congratulation. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- One who felicitates, or offers congratulation.“His impatience was overwrought, and though he knew this it persisted; it would have been no easy matter for Miriam to break away from the flock of her felicitators.”