Caiaphas was the one who had advised the Jews that it would be better if one man died for the people.
Ἦν δὲ Καϊάφας ὁ συμβουλεύσας τοῖς Ἰουδαίοις, ὅτι συμφέρει ἕνα ἄνθρωπον ἀπολέσθαι ὑπὲρ τοῦ λαοῦ.