καταπηδᾶν
From LSJ
ὦ ἀδελφέ, τοῦτόν γε μήτε κακῶς ποιοίης μήτε τούτῳ τῷ τρόπῳ βλάπτοις κλέπτων τὰ χρήματα → Brother, you should neither do this man bad nor harm him in this way, i.e. by stealing his money/stuff
(see also: καταπηδάω) jump down, leap down, spring down