What is another word for "duenna"?

Roget's Thesaurus (1911) lists these synonyms for "duenna": abecedarian, adviser, and, apostle, ayah, bear, bodyguard, bonne, castellan, chalk, clergy, coach, coast, concierge, costa, crammer, custodian, custos, dame, director, disciplinarian, dominie, don, dry, escort, example, expositor, for, game, gaoler, governess, governor, grinder, guard, guardian, guide, guru, hayward, imitation, institutor.