sin

In the bible, Satan on the tree and he tell the human to eat the fruit so it makes human that realize good and bad. So it is sin.

sin

–noun
1.transgression of divine law: the sin of Adam.
2.any act regarded as such a transgression, esp. a willful or deliberate violation of some religious or moral principle.
3.any reprehensible or regrettable action, behavior, lapse, etc.; great fault or offense: It's a sin to waste time.

–verb (used without object)
4.to commit a sinful act.
5.to offend against a principle, standard, etc.

–verb (used with object)
6.to commit or perform sinfully: He sinned his crimes without compunction.
7.to bring, drive, etc., by sinning: He sinned his soul to perdition.