Affiliate since: 12/31/1969, Power Rank: 99999999
To overcome the language barrier, use the translator when sending them any kind of communication.
If you can, try to reassign them to someone who speaks their language.Better for everyone.
Also try to use simple words in your communication.These translate better.
Put up a blog to help your new people.Go to HTML extensions and add the translator to it.
Then add detailed simple posts on how to succeed at SFI.