Juetero? Guetero?
Chinampas.
yea man
roro
carpenture
A cobbler.
a man called bobby doria
A bee Keeper/
A swordsmith
designers
If by seat you mean saddle then the person (man or woman) is called a saddler.
its called imature ejaculation!
A man who makes Barrels is called a Cooper and does not Start with G. There is no other word for it.