Term: acher
  
  Definition:
  
    - noun: A person who imparts knowledge or teaches; instructor.
- verb (archaic): To teach or instruct someone.
Sense 1:
  As a noun, an acher refers to an individual who is experienced and skilled in imparting knowledge or teaching others.
  Sample sentence: Jane's favorite acher is her history teacher, Ms. Thompson.
  
  Sense 2:
  As a verb in an archaic context, acher means the act of teaching or imparting knowledge to someone.
  Sample sentence: The old books acher young minds with wisdom.
  
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