There are multiple definitions - click on the translation that matches your context.

menor infrator

substantivo

full

juvenile delinquent

noun

Comparative law notes

Although the expression "menor infrator" is still widely used, the correct legal term in Brazil is "adolescente em conflito com a lei".

Definitions of juvenile delinquent

a young person who commits crimes, especially minor crimes (although the term is sometimes used to describe young people who commit serious crimes)

One of the arrested 17-year-olds was taken to an institution for juvenile delinquents, where he will stay until his April trial.