A male
young man
lad, dude, kid, boy, teenager
him, male ,guy, bro, pal,sir,him,male,man,boy ext.
boys, lads, men
man
a boy becomes a man through age.
A little boy that is a man
Another word for man made fibre is a synthetic fibre.
Another word for a jungle man could be "wilderness dweller" or "forest inhabitant."
Male, guy
Courier
The noun boy is a word for a person.