Most usually think of Moses, but God also called Abraham His friend. (Isa 41:8)
Abraham
moses
Isaiah 41.8 "But you, O Israel, my servant, Jacob, whom I have chosen, you descendants of Abraham my friend,
Yes, Christians do call the Bible the Word of God.
Yes
No sins are hidden from God.
It's called The Bible
If someone decides not to believe that there is not a God, then that is their choice - why the need to call them anything - live and let live.
The word of God is the Bible. They call it the word of God because God spoke every word of it and in the Bible it says "All scripture is God breathed". GOD BE WITH YOU ALL, AMEN!
by sending someone{friend of god} to earth
By putting there hand in front of god, or on the bible. just saying that if you are a christian you can not swear to god.
In the book of Amos (8:2, for example).
According to the Bible, Abraham.
1 John 1:10