Brother, specifically in the context of a male sibling or a member of a fraternity.

Comrade or fellow, often used in a historical or literary context.

भाई

English Usage: He has a frater who is studying abroad.

Hindi Usage: उसका एक भाई है जो विदेश में पढ़ाई कर रहा है।

A member of a religious or fraternal order.

धार्मिक या भाईचारे के आदेश का सदस्य

English Usage: He was known as a frater in the monastery.

Hindi Usage: उसे मठ में एक भाई के रूप में जाना जाता था।