New Revised Standard Version
Do not be fainthearted or fearful at the rumors heard in the land— one year one rumor comes, the next year another, rumors of violence in the land and of ruler against ruler.

Contemporary English Version
Don't be afraid or lose hope, though year after year there are rumors of leaders fighting for control in the city of Babylon.

New American Bible
Do not be discouraged when rumors spread through the land; this year one rumor comes, next year another: “Violence in the land!” or “Ruler against ruler!”

Douay-Rheims Bible
And lest your hearts faint, and ye fear for the rumour that shall be heard in the land: and a rumour shall come in one year, and after this year another rumour: and iniquity in the land, and ruler upon ruler.

And lest your hearts faint, and ye fear for the rumour that shall be heard in the land: and a rumour shall come in one year, and after this year another rumour: and iniquity in the land, and ruler upon ruler.

lest.

2 Kings 19:7 Behold I will send a spirit upon him, and he shall hear a message, and shall return into his own country, and I will make him fall by the sword in his own country.

Matthew 24:6-8 And you shall hear of wars and rumours of wars. See that ye be not troubled. For these things must come to pass: but the end is not yet. . . .

Mark 13:7,8 And when you shall hear of wars and rumours of wars, fear ye not. For such things must needs be: but the end is not yet. . . .

Luke 21:9-19,28 And when you shall hear of wars and seditions, be not terrified. These things must first come to pass: but the end is not yet presently. . . .

a rumour shall

Isaiah 13:3-5 I have commanded my sanctified ones, and have called my strong ones in my wrath, them that rejoice in my glory. . . .

Isaiah 21:2,3 A grievous vision is told me: he that is unfaithful dealeth unfaithfully: and he that is a spoiler, spoileth. Go up, O Elam, besiege, O Mede: I have made all the mourning thereof to cease. . . .

ruler against

Judges 7:22 And the three hundred men nevertheless persisted sounding the trumpets. And the Lord sent the sword into all the camp, and they killed one another,

1 Samuel 14:16-20 And the watchmen of Saul, who were in Gabaa of Benjamin looked, and behold a multitude overthrown, and fleeing this way and that. . . .

2 Chronicles 20:23 For the children of Ammon, and of Moab, rose up against the inhabitants of mount Seir, to kill and destroy them: and when they had made an end of them, they turned also against one another, and destroyed one another.

Isaiah 19:2 And I will set the Egyptians to fight against the Egyptians: and they shall fight brother against brother, and friend against friend, city against city, kingdom against kingdom.