dragoman
Pronunciation: /ˈdragəmən
noun (plural dragomans or dragomen)
An interpreter or guide, especially in countries speaking Arabic, Turkish, or Persian.
Origin
late Middle English: from obsolete French, from Italian dragomanno, from medieval Greek dragoumanos, from Arabic tarjumān 'interpreter'.
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Samir stood silently beside the helmeted knight. No translation was required. One or the other would give way or a fight would settle things, no dragoman needed.