Satan and His "Angels Accuser of the Brethren. Job 1:6-9; Rev 12:10

Job 1:6-9Now there was a day when the sons of God came to present themselves before the Lord, and Satan came also among them.

7 And the Lord said unto Satan, Whence comest thou? Then Satan answered the Lord, and said, From going to and fro in the earth, and from walking up and down in it.

8 And the Lord said unto Satan, Hast thou considered my servant Job, that there is none like him in the earth, a perfect and an upright man, one that feareth God, and escheweth evil?

9 Then Satan answered the Lord, and said, Doth Job fear God for nought?

Job 2:1 Again there was a day when the sons of God came to present themselves before the Lord, and Satan came also among them to present himself before the Lord.

Revelation 12:10 And I heard a loud voice saying in heaven, Now is come salvation, and strength, and the kingdom of our God, and the power of his Christ: for the accuser of our brethren is cast down, which accused them before our God day and night.

 He is actively looks for people to attack

1 Peter 5:8-9 Be sober, be vigilant; because your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour:

9 Whom resist stedfast in the faith, knowing that the same afflictions are accomplished in your brethren that are in the world.