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