What legal term is used for someone under the age of 18 who is accused of a crime?

The legal term used for someone under the age of 18 who is accused of a crime is "juvenile." This term specifically refers to individuals who are not legally adults and are typically subject to a separate legal treatment in the justice system. The juvenile justice system is designed to handle matters involving those under 18 with a focus on rehabilitation rather than punishment, acknowledging their developmental stage and potential for change.

While the term "minor" can also refer to anyone under 18, it is broader and does not necessarily capture the context of someone who has been accused of a crime. "Infant" generally refers to very young children, typically those under the age of one, and is not applicable to this context. "Adolescent" refers to a broader developmental stage that can include individuals aged 10 to 19 years old but is not a specific legal designation for someone who has committed a crime. Hence, "juvenile" is the most accurate and contextually appropriate term for a person under the age of 18 accused of a crime.