ἐνίοτε οἱ οἰκέται εἰς τὴν θάλασσαν ἐλαύνουσιν αὐτούς → sometimes the slaves ride them into the sea
Use adj., P. and V. κακοῦργος.
the offender: P. and V. ὁ αἴτιος, ὁ δράσας.