What is the meaning of Revelation 9:4?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

They were told not to harm the grass of the earth or any plant or tree, but only those who did not have the seal of God on their foreheads.

Berean Standard Bible (BSB)

They were told that they should not hurt the grass of the earth, neither any green thing, neither any tree, but only those people who don’t have God’s seal on their foreheads.

World English Bible (WEB)

And{G2532} it was commanded{G4483}{(G5681)} them{G846} that{G3363} they should{G91} not{G3363} hurt{G91}{(G5661)} the grass{G5528} of the earth{G1093}, neither{G3761} any{G3956} green thing{G5515}, neither{G3761} any{G3956} tree{G1186}; but{G1508} only{G3441} those men{G444} which{G3748} have{G2192}{(G5719)} not{G3756} the seal{G4973} of God{G2316} in{G1909} their{G846} foreheads{G3359}.

Strong's King James

(4) They were told not to hurt the grass of the land nor anything green, nor any tree except mankind who didn't have the deal of אֱלֹהִים Elohim on their foreheads.

The F.O.G*

[4] These creatures received specific instructions: they were forbidden to damage any vegetation—unlike natural locusts that devour crops. Instead, they could only torment people who lacked the protective seal of God on their foreheads—those who had rejected divine authority and protection.

The F.O.G Paraphrase

and it was said to them that they may not injure the grass of the earth, nor any green thing, nor any tree, but—the men only who have not the seal of God upon their foreheads,

Young's Literal Translation