Abraham was the friend of God by believing.
James 2:23 And the scripture was fulfilled which saith, Abraham believed God, and it was imputed unto him for righteousness: and he was called the Friend of God.
There is a close friend.
Proverbs 18:24 A man that hath friends must shew himself friendly: and there is a friend that sticketh closer than a brother.
Jesus said that he would be our friend.
John 15:13-14 Greater love hath no man than this, that a man lay down his life for his friends. Ye are my friends, if ye do whatsoever I command you.
John 15:15 Henceforth I call you not servants; for the servant knoweth not what his lord doeth: but I have called you friends; for all things that I have heard of my Father I have made known unto you.
What a Friend we have in Jesus!