sinister - from the original latin, meaning left handed. in biblical times left handed people made good assasins since no one expected them to reach for a weapon with their left hand, e.g. Ehud (Judges 3:12-30)
minister - one who administers the message of the gospel of Jesus Christ
sinista minista - one who administers the gospel of Jesus Christ in a unexpected manner to assasinate unbelief, e.g. gospel hip-hop
To those who are perishing, we are a dreadful smell of death and doom.
But to those who are being saved, we are a life-giving perfume. 2 Cor 2:16