Zion
: one of the hills on which Jerusalem was built; the temple area; the city of Jerusalem; God's people,a town and citidel; an ancient part of Jerusalem
Hades
: the place of departed spirits (NIV notes); the unseen world (YC)
Peter
: a man who was a leader among the twelve apostles and wrote the two epistles of Peter
Satan
: a person, male (evil angelic),an angel that has rebelled against God