And I saw another (a good) angel ascending from the east — The plagues begin in the east; so does the sealing. Having the seal of the only living and true God: and he cried with a loud voice to the four angels — Who were hasting to execute their charge. To whom it was given to hurt the earth and the sea — First, and afterwards "the trees."
Related Commentaries of Revelation 7:2
Revelation 7:2
2 And I saw another angel ascending from the east, having the seal of the living God: and he cried with a loud voice to the four angels, to whom it was given to hurt the earth and the sea,