Churchgoer

Tom is a fervent churchgoer.

Layla is a devout churchgoer.

Sami is not the squeaky clean churchgoer that he purported to be.

Tom used to be a regular churchgoer.

Tom is a regular churchgoer.

Are you a churchgoer?

Near-synonym: chapelgoer

Well, one Christmas Eve, just like to-night, she thought she would go to the morning service on the Christmas Day, for she was a great church-goer, and so she left out some coffee with the girl before she went to bed, that she might get a cup next morning she was sure a cup of warm coffee would do her a great deal of good at that early hour!

A forced churchgoer has no religion, a terrified churchgoer has no Christianity, a bribed churchgoer has no morals.