Challenge: Learn about foreigners or non-Christians who live in your country. Joshuaprojects.net is a good place to survey unreached people groups in your culture.
Challenge Up: Identify someone within your sphere of influence. Begin regularly praying for the person after answering the following questions: Is this person my friend—according to Jesus’ model of friendship? Do I know the needs of his or her life? How can I lead him or her to Jesus for healing?