A younger or youngest son, who would not inherit as a firstborn son would.
Junior. (See also the heraldic term cadency.)
A young gentleman learning sheep farming at a station; also, any young man attached to a sheep station.
A participant in a cadetship.
A student at a military school who is training to be an officer.
The youngest child of a family.
The youngest member of any company or organization.
Born last in a family; youngest in a the family.
Younger than anyone else in a group.