A person who advises or shows the way to others.

मार्गदर्शक

English Usage: The guide took the tourists through the ancient ruins.

Hindi Usage: मार्गदर्शक ने पर्यटकों को प्राचीन खंडहरों के माध्यम से ले जाया।

To lead or direct in a course.

मार्गदर्शन करना

English Usage: She will guide you through the process.

Hindi Usage: वह आपको प्रक्रिया के माध्यम से मार्गदर्शन करेगी।