Samael vs. Satan — What's the Difference?

Samael (Hebrew: סַמָּאֵל‎, Sammāʾēl, 'Venom of God, Poison of God' or 'Blindness of God, Left Hand of God'; Arabic: سمسمائيل‎, Samsama'il or سمائل‎, Samail; alternatively Smal, Smil, Samil, or Samiel) is an archangel in Talmudic and post-Talmudic lore; a figure who is the accuser (Ha-Satan), seducer, and destroyer (Mashhit). Although many of his functions resemble the Christian notion of Satan, to the point of being sometimes identified as a fallen angel,: 257–60  in others he is not necessarily evil, since his functions are also regarded as resulting in good, such as destroying sinners.He is considered in Talmudic texts to be a member of the heavenly host with often grim and destructive duties.

Satan, also known as the Devil, and sometimes also called Lucifer in Christianity, is a non-physical entity in the Abrahamic religions that seduces humans into sin or falsehood. In Judaism, Satan is seen as an agent subservient to God or typically regarded as a metaphor for the yetzer hara, or "evil inclination".

In Abrahamic religions, a powerful spiritual being, the tempter and persecutor of humanity, sometimes considered as an angel who rebelled against God and became the Devil.

Alternative form of Satan.

The grand adversary of man; the Devil, or Prince of darkness; the chief of the fallen angels; the archfiend.

(Judeo-Christian and Islamic religions) chief spirit of evil and adversary of God; tempter of mankind; master of Hell