If you know foreign languages what kind of businesses can you start?

Question

I Know

Japanese

Spanish

and I'm learning Chinese

Answer 1

My friends all went to Japan and supported themselves by teaching English to kids and businessmen.  They were cheating because they didn't get the correct work permits. But it was the most fun 6  months of their lives.  Can you get there. /

Answer 2

while not specific to the kind of business, you can start any business which caters to the specific groups you are well prepared to communicate with.