Satan. “Satan” comes from the Hebrew verb STN meaning “to be hostile, to oppose”. The noun means “adversary,” who usually is an earthling in the OT, but in 1 Chr 21:1; Job 1 & 2; Zech 3:1, 2 it refers to a heavenly being and is transliterated “Satan”.
In the LXX, the Hebrew satan was always translated by the Greek diabolos (“the slanderer, the devil”), a word that doesn’t occur in Mark. Continue reading