n.
   - a person trained to give guidance on personal, social, or psychological problems.
 - a senior officer in the diplomatic service.
 - 
(also counselor-at-law)
 US & Irish a barrister.
 
 
  Usage
  The words counsellor and councillor are often confused. A counsellor is a person who gives advice or counsel, especially on personal problems (a marriage counsellor), whereas a councillor is a member of a city, county, or other council (she stood as a Labour candidate for city councillor).