My major was Japanese teaching method, and I have taught Japanese in Brazil for 2 years.
I also love to study languages and I have learned English, Portuguese, Spanish, Tagalog, Korean and Chinese.
I can speak English, Portuguese, Korean and Tagalog a little bit so I believe that it will help you.
As I lived in Brasil for two years as a Japanese language teacher and also lived in the Philippines for one year, I already know their weak points in Japanese. Anyway, I really hope that I can help every Japanese learner!