Who is Tribulation?
In Christian eschatology, the Great Tribulation (Greek: θλίψις μεγάλη, thlipsis megalē) is a period mentioned by Jesus in the Olivet Discourse as a sign that would occur in the time of the end.At Revelation 7:14, "the Great Tribulation" (Greek: τῆς θλίψεως τῆς μεγάλης, literally, "the tribulation, the great one") is used to indicate the period spoken of by Jesus. Matthew 24: 21 and 29 uses tribulation (θλίβω) in a context denoting afflictions of those hard-pressed by siege and the calamities of war.