1. (n.) One who teaches or instructs; one whose business or occupation is to instruct others; an instructor; a tutor.

2. (n.) One who instructs others in religion; a preacher; a minister of the gospel; sometimes, one who preaches without regular ordination.

Aaronic priesthood Dutch uncle Melchizedek priesthood Polonius Seventy admonisher adviser advisor apostle backseat driver bishop boss buttinsky bwana chef chief church dignitary cicerone coach confidant consultant counsel counselor deacon docent doctor dominie don ecclesiarch educationist educator elder employer expert fellow forerunner goodman guide guru high priest husband instructor kibitzer lecturer liege liege lord lord lord paramount master meddler mentor mistress monitor nestor orienter overlord padrone paramount paterfamilias pathfinder patriarch patron preceptist preparationist preparator preparer priest professor rabbi sahib schoolmaster schoolmistress schoolteacher seigneur seignior starets trailblazer trainer tutor