Verb:
* To humble: To make someone feel less proud or superior.
* *Example:* The experience humbled him.
Adjective:
* Humble: Lowly, modest, unpretentious.
* *Example:* He was a humble man despite his success.
There isn't a noun form of "humble" in the way there is for words like "brave" (bravery). However, we do use humility as a noun to describe the quality of being humble.