When an alien lives with you in your land, do not mistreat him. The alien living with you must be treated as one of your native-born. Love him as yourself, for you were aliens in Egypt. I am the LORD your God.
Weekly contact is ideal.
The Coordinator then matches students with families, in consultation with both parties, taking into consideration their preferences of nationality, gender, marital status, age, academic major and hobbies. Next to getting an education, the greatest desire of most internationals is to make one close American friend. However, few are successful, and most never get inside an American family's home. Host families have excellent opportunities to fulfill this desire. There are a number of reasons why being a host family can be the most complete way of serving internationals as God's Good News calls us to.