Zureiter
From LSJ
Ἓν οἶδα, ὅτι οὐδὲν οἶδα → I know only one thing, that I know nothing | all I know is that I know nothing.
Translations
horsebreaker
German: Zureiter, Zureiterin, Bereiter, Bereiterin; Ancient Greek: πωλοδάμνης, πωλευτής; Polish: ujeżdżacz