New Living Translation
Anyone who encourages such people becomes a partner in their evil work.

American Standard Version
for he that giveth him greeting partaketh in his evil works.

Berean Study Bible
Whoever greets such a person shares in his evil deeds.

Douay-Rheims Bible
For he that saith unto him, God speed you, communicateth with his wicked works.

English Revised Version
for he that giveth him greeting partaketh in his evil works.

King James Bible
For he that biddeth him God speed is partaker of his evil deeds.

World English Bible
for he who welcomes him participates in his evil works.

Young's Literal Translation
for he who is saying to him, 'Hail,' hath fellowship with his evil works.

2 John 1:11 Additional Translations ...