OK,so write something like " My native language is Arabic. I would like to learn English,and,in exchange,I can help you with Arabic ".

Good luck!

I hope you will find some good language partenrs here.

Hello,if you want some help,may be you should first offer your native language in exchange.

start listening to metal songs 

Hahah You'd better try good music

Sorry! just joking

Thanks to all