A barber is a person whose occupation is mainly to cut, dress, groom, style and shave hair or beards. A barber's place of work is known as a barbershop or the barber's. Barbershops have been noted places of social interaction and public discourse since at least classical antiquity. In some instances, barbershops were also public forums. They were the locations of open debates, voicing public concerns, and engaging citizens in discussions about contemporary issues.

जो दूसरों के बाल काटता एवं सवांरता है उसे नाई (barber) और ठाकुर कहते हैं। भारत में यह एक जाति भी है जिसके सदस्य मुख्यत: बाल काटने एवं हिन्दू संस्कारों में मुख्य सहायक का काम करते आये हैं। नाई जाति के लोग अपने नाम के साथ ठाकुर लगाते है