guide
Someone who guides, especially someone hired to show people around a place or an institution and offer information and explanation, or to lead them through dangerous terrain.
(guidebook) A document or book that offers information or instruction; guidebook.
(sign) A sign that guides people; guidepost.
Any marking or object that catches the eye to provide quick reference.
(nodot=1), a key to symbols, abbreviations, and terms on a map, chart, etc.
A device that guides part of a machine, or guides motion or action.
A blade or channel for directing the flow of water to the buckets in a water wheel.
A grooved director for a probe or knife in surgery.
(dated) A strip or device to direct the compositor's eye to the line of copy being set.
(occult) A spirit believed to speak through a medium.
(military) A member of a group marching in formation who sets the pattern of movement or alignment for the rest.
To serve as a guide for someone or something; to lead or direct in a way; to conduct in a course or path.
To steer or navigate, especially a ship or as a pilot.
To exert control or influence over someone or something.
To supervise the education or training of someone.
To act as a guide.