Pray for them and their families. A call or a short note lets them know you are thinking of them and that you care. Never take anything for granted. Even the simplest things may not be understood. Yet, be careful not to be condescending.
Most international students are from sophisticated, modern cities.
Don't just use them, or consider them a project. But remem- ber, with their different cultural background they may think differently than you would even imagine. Also, let them know what type of dress is appropriate. When dealing with an International Student Advisor at a university, always remember to view things from their perspective. Listen and learn.