Who was adversary?

The adversary is Satan the Devil. In the Bible, Satan is portrayed as the main adversary of God and mankind, and he is also referred to as the Devil, the Accuser, the Tempter, and the Evil One. He is often depicted as a serpent or a dragon, and he is said to have the power to deceive and tempt humans to do evil. Satan is believed to be responsible for the Fall of Man, and he is often blamed for the suffering and evil in the world. He is also said to be the ruler of Hell and the leader of the demons or fallen angels. In Christianity, Satan is seen as the ultimate enemy of God and humanity, and believers are taught to resist his temptations and to seek salvation from his power.