noun
Baha'i; the Baha'i faith
Refers to the religion itself or its teachings. Often used with 教 (バハイ教) for clarity.
彼はバハイ教の信者です。
He is a follower of the Baha'i faith.
バハイの教えは世界平和を強調する。
The teachings of the Baha'i faith emphasize world peace.
noun
a Baha'i; a member of the Baha'i faith
Used for an individual adherent. Can be pluralized as バハイたち.
彼女は熱心なバハイです。
She is a devout Baha'i.