Learning gnome language.

You will ask botanist  about tinker
Then she will go on to tell you something  and you will need to follow the line of questioning from there.

You will need 7 rubies from the dwarven mining caves.
1 backpack  for her to store them in
 7 bananas from the jungle down south.
Then 4 pouches for her to put 4 of the bananas in after her fat ass eats 3 of them.