You call yourself a linguist and want to improve your language skills; there are a lot of ways that you can do to reach that goal.
One of the ways that you can do is by joining tefl international courses. TEFL is one of the international language courses which cover all area and country in this world. Though you are not a fluent English or you are not a native for English language you are still able to be the part of them by sharing your own native language with English people who want to learn your language. So, with this system while you work as a teacher you improve your English language skill. And because world is your classroom, you can learn all language that you want, for example if you want to learn Spanish, you can join tefl costa rica course which is located in the city of Manuel Antonio. Just with $1,690 course fee and $400 accommodation fee you are already enjoy the intensive training with complete accommodation. As the extra Costa Rica offer you one of the best views and new experience that you will not find in your own country.
For the further information about schedule and detail about each program that is offered, you can visit their website in Teflcourse.com