treoraitheoir

noun
  1. A guide or instructor, typically someone who leads or directs others in a particular field or activity. noun
    The treoraitheoir led the group through the forest, pointing out various plants and animals.
    As a treoraitheoir, she was responsible for training new employees in the company's procedures.
  2. A device or tool used for directing or guiding something, often used in technical or mechanical contexts. noun
    The engineer used a treoraitheoir to ensure the machine parts were aligned correctly.
    This treoraitheoir helps in adjusting the satellite dish for optimal signal reception.