Parallel
2 John 1:11
Nestle 1904 Greek New Testament · Berean Standard Bible
ὁ λέγων γὰρ αὐτῷ χαίρειν κοινωνεῖ τοῖς ἔργοις αὐτοῦ τοῖς πονηροῖς
Whoever greets such a person shares in his evil deeds.