The Bible introduces Adam in the early chapters of Genesis.
Adam was the first human being. He was created by God from the dust of the earth (Genesis 2:7).
God took a bone from Adam’s body and from it made the second human being, the first "woman", a companion with Adam (Genesis 2:21-23).
Adan named his wife "Eve" because she was the mother of all the living —meaning all subsequently conceived human life (Genesis 3:20, 4:1).
Adam's Sin
Adam was not the first to sin on earth. The serpent was the first. He decieved Eve and she was the second to sin (2Corinthians 11:3;1Timothy 2:14;Genesis 3:1-13;Revelation 12:9).
Adam was not deceived but he ate the forbidden fruit anyway (Genesis 3:6).
Adam's Death
God said that Adam and Eve would "surely die" the day they ate of the forbidden fruit. Yet Adam lived hundreds of years (Genesis 2:17, 5:5).
The death that Adam and Eve died, on the day they sinned, was spiritual death, the loss of eternal life (cf Romans 7:9-10;Ephesians 2:1;Colossians 2:13).
Adam could have been like Enoch whom God took from earth so that Enoch would not see death because he pleased God (Hebrews 11:5;Genesis 5:21-24).
Adam's Guilt
Adam was condemned for Adam's sin. He was not condemned for anyone else's. He was guilty only for what he himself did wrong (Genesis 3:14-19).
Adam brought sin and death into the world (Romans 5:12,18).
Adam did not pass on his guilt to his progeny. They are condemned for their own sins (Ezekiel 18).
Adam deprived his children of a fortunate legacy and left them a bleak future, as many other sinful men have done (examples 2Chronicles 36:11-21,Deuteronomy 5:8-10).
Adam's Antitype
In the Bible, Adam is seen as an inverted type or symbol of Jesus Christ (1Corinthians 15:21-22,47-49;Romans 5:12,18-19).