Samyaza (Aramaic: שמיחזה; Greek: Σεμιαζά; Arabic: ساميارس, Samiarush), also Sahjaza, Semihazah, Shemihazah, Shemyazaz, Shemyaza, Shemhazai, Sêmîazâz, Semjâzâ, Samjâzâ, and Semyaza, is a fallen angel of apocryphal Abrahamic traditions that ranked in the heavenly hierarchy as one of the Watchers. The name "Shemya
Update - 1 May 2020
According to the Book of Enoch, Samyaza was the leader of the Watchers that became fallen angels because they were consumed with lust for mortal women.
Samyaza, who was their leader, said unto them: “I fear ye will not indeed agree to do this deed, and I alone shall have to pay the penalty of a great sin.” And they all answered him and said: “Let us all swear an oath, and all bind ourselves by mutual imprecations not to abandon this plan but to do this thing.” Then sware they all together and bound themselves by mutual imprecations upon it. (Enoch 6:3-5)
This Watcher is associated with Azael or Azazel. According to the Zohar, he had an affair with one of the daughters of Eve and two sons named Hiwa and Hiya were born. Each of these sons eat 1000 camels, horses and oxen daily. In the Book of Enoch, Samyaza was warned by Archangel Micheal about the sins committed by the Watchers.