What is another word for "tutor"?

Roget's Thesaurus (1911) lists these synonyms for "tutor": abecedarian, acute, adviser, aesthetic, aesthetics, apostle, aware, bear, cause, chalk, clergy, coach, conscious, consciousness, crammer, cultivate, dame, director, disciplinarian, dominie, don, dry, duenna, example, excite, expositor, external, feel, feeling, for, governess, governor, grinder, guide, guru, imitation, impress, impressibility, impression, impressive.