The Bahá’í Faith is a monotheistic religion. Its founder, Bahá’u’lláh, taught that all religions represent progressive stages in the revelation of God’s will. There are no clergy; the faith’s affairs are administered by a network of democratically elected councils. The terms Bahaism and Bahaist are incorrect; use the Bahá’í Faith to refer to the religion and Bahá’í to refer to an adherent.
For more about Bahá’í Faith go to bahai.org, the website of the worldwide Bahá’í community.
REFERENCE: Religion Stylebook