Counselor (noun)

1. A person trained to give advice and support to people with personal or emotional problems.
2. A person who gives advice and guidance to others, especially in a professional capacity.
3. A person who provides guidance in a specific field or profession.

Origin:

From middle english counseillour, from old french conseillor, from latin consiliarius ("adviser, counselor"), from consilium ("advice, council, consultatio.n")

Examples:

1. She went to the counselor for help with her anxiety.
2. He is a career counselor.
3. The counselor listened to her problems.
4. The counselor gave her advice on how to deal with her situation.
5. The counselor helped the student choose a college major.