a hypocrite
Examples
The only vice that cannot be forgiven is hypocrisy. The repentance of a hypocrite is itself hypocrisy.
A hypocrite is the kind of politician who would cut down a redwood tree, then mount the stump and make a speech for conservation.
A hypocrite is a person who - but who isn't?
Hypocrites in the Church? Yes, and in the lodge and at the home. Don't hunt through the Church for a hypocrite. Go home and look in the mirror. Hypocrites? Yes. See that you make the number one less.
Don't be a hypocrite.
Better to be known as a sinner than a hypocrite.