New Living Translation
The authorities are God’s servants, sent for your good. But if you are doing wrong, of course you should be afraid, for they have the power to punish you. They are God’s servants, sent for the very purpose of punishing those who do what is wrong.

American Standard Version
for he is a minister of God to thee for good. But if thou do that which is evil, be afraid; for he beareth not the sword in vain: for he is a minister of God, an avenger for wrath to him that doeth evil.

Berean Study Bible
For he is God’s servant for your good. But if you do wrong, be afraid, for he does not carry the sword in vain. He is God’s servant, an agent of retribution to the wrongdoer.

Douay-Rheims Bible
For he is God's minister to thee, for good. But if thou do that which is evil, fear: for he beareth not the sword in vain. For he is God's minister: an avenger to execute wrath upon him that doth evil.

English Revised Version
for he is a minister of God to thee for good. But if thou do that which is evil, be afraid; for he beareth not the sword in vain: for he is a minister of God, an avenger for wrath to him that doeth evil.

King James Bible
For he is the minister of God to thee for good. But if thou do that which is evil, be afraid; for he beareth not the sword in vain: for he is the minister of God, a revenger to execute wrath upon him that doeth evil.

World English Bible
for he is a servant of God to you for good. But if you do that which is evil, be afraid, for he doesn't bear the sword in vain; for he is a servant of God, an avenger for wrath to him who does evil.

Young's Literal Translation
for of God it is a ministrant to thee for good; and if that which is evil thou mayest do, be fearing, for not in vain doth it bear the sword; for of God it is a ministrant, an avenger for wrath to him who is doing that which is evil.

Romans 13:4 Additional Translations ...