A person who is skilled or proficient in a particular area, often associated with magical or mystical abilities.

A term for someone who is exceptionally talented or knowledgeable in a specific field, often used informally.

विशेषज्ञ

English Usage: She's a wiz at mathematics; she solved the problem in seconds.

Hindi Usage: वह गणित में विशेषज्ञ है; उसने समस्या को सेकंड में हल कर दिया।