younger, minor, smaller, less, underage person
La hermana menor es más sentimental que la otra.
The younger sister is more sentimental than the other one.
It’s a minor problem.
José y María son el padrino y la madrina de mi hijo menor.
José and María are the godfather and godmother of my youngest son.
I don't have a younger sister.
I am four years younger than him.
Mary era como una hermana menor para mí.
Mary was like a younger sister to me.
Tom es el niño menor en su familia.
Tom is the youngest child in his family.
A Fadil le arrestaron por secuestrar a un menor.
Fadil was arrested for kidnapping a minor.
Y al menor lo mandas a la pista.
And you send the youngest one out onto the dance floor.
— Cidade dos Homens (2007)
Participación en la violación de una menor.
Participation in the rape of a minor.
— State and Main (2000)