Betrayer vs. Traitor — What's the Difference?

To give aid or information to an enemy of; commit treason against

One who betrays one's country, a cause, or a trust, especially one who commits treason.

To inform upon or deliver into the hands of an enemy in violation of a trust or allegiance

Someone who violates an allegiance and betrays their country; someone guilty of treason; one who, in breach of trust, delivers their country to an enemy, or yields up any fort or place entrusted to their defense, or surrenders an army or body of troops to the enemy, unless when vanquished.

To be false or disloyal to

Someone who takes arms and levies war against their country; or one who aids an enemy in conquering their country.

To divulge in a breach of confidence

(by extension) One who betrays any confidence or trust.

To make known unintentionally

To act the traitor toward; to betray; to deceive.

To lead astray; deceive

Traitorous.

Someone who betrays, or reveals confidential information; a squealer or informer.

One who violates his allegiance and betrays his country; one guilty of treason; one who, in breach of trust, delivers his country to an enemy, or yields up any fort or place intrusted to his defense, or surrenders an army or body of troops to the enemy, unless when vanquished; also, one who takes arms and levies war against his country; or one who aids an enemy in conquering his country. See Treason.

One who, or that which, betrays.

Hence, one who betrays any confidence or trust; a betrayer.

One who reveals confidential information in return for money

Traitorous.

A person who says one thing and does another

To act the traitor toward; to betray; to deceive.

Someone who betrays his country by committing treason

A person who says one thing and does another