backslider

As nouns the difference between sinner and backslider

is that sinner is a person who has sinned while backslider is a recidivist; one who backslides, especially in a religious sense; an apostate.

As nouns the difference between backslider and recreant

is that backslider is a recidivist; one who backslides, especially in a religious sense; an apostate while recreant is somebody who is recreant. A person who yields in combat, or is cowardly and faint-hearted.

As an adjective recreant is

having admitted defeat and surrendered; defeated.

As a noun backslider is

a recidivist; one who backslides, especially in a religious sense; an apostate.

Dissenter is a related term of backslider.

As nouns the difference between dissenter and backslider

is that dissenter is someone who dissents (disagrees), especially from an established church while backslider is a recidivist; one who backslides, especially in a religious sense; an apostate.

Misbeliever is a related term of backslider.

As nouns the difference between misbeliever and backslider

is that misbeliever is someone who holds an unauthorised belief; a heretic, an unbeliever while backslider is a recidivist; one who backslides, especially in a religious sense; an apostate.

Renegade is a related term of backslider.

As nouns the difference between renegade and backslider

is that renegade is an outlaw or rebel while backslider is a recidivist; one who backslides, especially in a religious sense; an apostate.

Heretic is a synonym of backslider.

As an adjective heretic

is heretical.

As a noun backslider is

a recidivist; one who backslides, especially in a religious sense; an apostate.

Recusant is a related term of backslider.

As a verb recusant

is .

As a noun backslider is

a recidivist; one who backslides, especially in a religious sense; an apostate.

As nouns the difference between nonconformist and backslider

is that nonconformist is a member of a church separated from the Church of England; a Protestant dissenter while backslider is a recidivist; one who backslides, especially in a religious sense; an apostate.

As an adjective nonconformist

is not conforming to established customs etc.