Ewostatewos, Ethiopian monk and saint (d. 1352)
Ewostatewos (Ge'ez: ኤዎስጣቴዎስ, or Yostatewos (Ge'ez: ዮስታንቲዎስ), a version of Ancient Greek: Εὐστάθιος Eustathios; 22 July 1273 – 23 September 1352) was an Ethiopian religious leader of the Orthodox Tewahedo during the early period of the Solomonic dynasty of Ethiopian Empire. He was a forceful advocate for the observation of the Sabbath in Christianity. His followers, known as the House of Ewostatewos (individuals are known as Ewostathians), have been a historic force in Tewahedo Orthodoxy.