counselor (n.)

• admonisher
• adviser
• advocate
• agent
• attorney
• barrister
• buttinsky
• confidant
• consultant
• counsel
• counselor-at-law
• deputy
• expert
• guide
• instructor
• intercessor
• kibitzer
• lawyer
• meddler
• mentor
• monitor
• mouthpiece
• nestor
• pleader
• proctor
• procurator
• solicitor
• teacher