lad
another name for a young plant is an embryo
Another name for a young aspiring knight is a "squire." In medieval times, a squire was typically a young man in training to become a knight, serving as an attendant to a knight while learning the skills and responsibilities of knighthood.
young man
Calum Young Is A Man Who Goes By The Name Legocal77
The Greek for "young man" is kouros. (Kouroi, plural.) Another term is ephebe - this relates to a young man that is on the cusp on manhood.
Young kangaroos are called joeys.
Seaman.
a cub
A young man can be commonly referred to as a lad, guy, youth, or fellow.
The name of the man is d'Artagnan.
Lad
Lad