mandatarius
From LSJ
Κενῆς δὲ δόξης οὐδὲν ἀθλιώτερον → Nihil est inani gloria infelicius → Als leerer Ruhm jedoch ist nichts unseliger
Latin > English (Lewis & Short)
mandātārĭus: ĭi, m. mandatum,
I one to whom a charge or commission is given, an attorney, agent, mandatory (jurid. Lat.), Dig. 17, 1, 10, § 11 dub. (al. mandatores).