9 Bible Verses about Angels Activities Among Unbelievers

Then I saw another angel flying in midair, with eternal good news to announce to the inhabitants of the earth, to every nation, tribe, language, and people. He cried in a loud voice, "Fear God and give him glory, for the hour for his judgment has come. Worship him who made heaven and earth and sea and the springs of water." A second angel followed, saying, "She is fallen! Mighty Babylon is fallen, who made all the heathen drink the wine of the passion of her immorality!"read more.
A third angel followed them, saying in a loud voice, "Whoever worships the animal and its statue and lets its mark be put on his forehead or on his hand shall drink the wine of God's wrath, poured unmixed into the cup of his anger, and be tortured with fire and brimstone before the eyes of the holy angels and the Lamb.

the Son of Man will send out his angels, and they will gather up out of his kingdom all the causes of sin and the wrongdoers and throw them into the blazing furnace; there they will wail and grind their teeth.

But the angel of the Lord struck him down immediately, because he did not give the honor to God; and he was eaten by worms and died.

For last night an angel of the God I belong to and serve stood before me, and said, 'Do not be afraid, Paul! You must stand before the emperor, and see! God has given you the lives of all the people who are on the ship with you.'

After that I saw four angels standing at the four corners of the earth holding back the four winds of the earth, so that no wind should blow on the earth or on the sea or on any tree. Then I saw another angel ascend from the east with the seal of the living God, and he cried out in a loud voice to the four angels who had it in their power to harm the earth and the sea,

Then the four angels who were held in readiness for that hour and day and month and year were let loose to kill one third of mankind.

Then I saw another great, marvelous portent in heaven. There were seven angels with seven plagues which are to be the last, for they complete the expression of God's wrath.

But an angel of the Lord said to Philip, "Get up and go south, by the road that runs from Jerusalem to Gaza." (The town is now deserted.) So he got up and went. Now there was an Ethiopian eunuch, a member of the court of Candace, queen of Ethiopia, her chief treasurer, who had come up to Jerusalem to worship, and was on his way home. He was sitting in his car, reading the prophet Isaiah.read more.
Then the Spirit said to Philip, "Go up and stay by that car." Philip ran up and heard him reading the prophet Isaiah, and he said to him, "Do you understand what you are reading?" "Why, how can I," he answered, "unless someone explains it to me?" And he invited Philip to get in and sit beside him. This was the passage of Scripture that he was reading: "Like a sheep he was led away to be slaughtered, And just as a lamb is dumb before its shearer, He does not open his mouth. His sentence ended in his humiliation. Who will tell the story of his posterity? For his life is perished from the earth." "Tell me, of whom is the prophet speaking?" said the eunuch to Philip, "Of himself, or of someone else?" Then Philip began, and starting from this passage, he told him the good news about Jesus. As they went on along the road, they came to some water, and the eunuch said, "Here is some water! What is there to prevent my being baptized?" OMITTED TEXT So he ordered the car to stop, and Philip and the eunuch went down into the water, and Philip baptized him. When they came out of the water, the Spirit of the Lord hurried Philip away, and the eunuch saw nothing more of him. Full of joy, he went on with his journey,

I tell you, in just that way there will be more joy in heaven over one sinful person who repents, than over ninety-nine upright people who do not need any repentance.