That word's used to describe someone who strays from the teachings of his own faith.
The oldest teachings of our faith tell of a time when the God walked upon this planet and had direct communion with the world he had created.
She soon won renown and infamy for her zealous teachings of his faith and "fearless devotion".
First, my family has always been faithful to the teachings of our faith.
You have rejected the teachings of your faith.
The Cardinal said the bombings were "contradictory to the fundamental teachings of our Catholic faith."
The refugees, accepting the demands, expounded on the teachings of their faith, and "when the Hindu Raja heard the oration, his mind regained perfect ease."
How they can reconcile these positions against the actual teachings of their faith is beyond me.
It also parallels the language of the V'ahavta, the Jewish prayer that commands followers to remember and pass on the teachings of their faith.
He called the bombings of the clinics "completely contradictory to the fundamental teachings of our Catholic faith."