Mastema
Mastema (Hebrew: מַשְׂטֵמָה Masṭēmā; Ge'ez: መሰቴማ Mesetēma), Mastemat, or Mansemat, is an antagonistic angel in the Book of Jubilees. He first appears in the literature of the Second Temple Period as a personification of the Hebrew word mastemah (מַשְׂטֵמָה), meaning "hatred", "hostility", "enmity", or "persecution".