1. A person whose job it is to give advice to people who need it. English = counsellor.
2. The advice and help you receive from a counsellor, or the activity of giving people advice as part of your job. English = counselling.
3. The information you give people when you tell them what you think they should do. English = advice.
4. A person in colleges of technical and further education whose job is to give advice to people who have special needs. English = consultant.