Rev 17:6

6 I saw the woman drunken with the blood of the saints, and with the blood of the martyrs of Jesus. When I saw her, I wondered with great amazement. 

drunk with the blood of the saints – drunk with the blood of 100’s of thousands, and even millions. This Harlot, in drinking the cup of the Lord’s death, is guilty of the blood of the Lord, and His saints.

the witnesses of Jesus – the Greek word for witnesses is “matyron” from which we get “martyr.”