2 John 1:11

For he that biddeth him God speed is partaker of his evil deeds.
— 2 John 1:11, King James Version

In other translations

World English Bible (WEB)

for he who welcomes him participates in his evil works.

American Standard Version (ASV)

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

Young's Literal Translation (YLT)

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