One of the great things that happened to Abraham as a result of journeying to a bold obedience is that God’s Word describes Abraham as the friend of God. (2 Chron. 20:7; Isaiah 41:8; and James 2:23) 

In Genesis 18 we see Abraham and God's friendships on display. Abraham fellowships with God as he entertains heavenly company. Then we see God treat Abraham as a close friend when He communicates and shares His plan with Abraham regarding the timing of the birth of Isaac and the judgment to be poured out upon Sodom and Gomorrah.