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.

restaurateur / (in modern France) A catering company

A copyright infringement detection system which adds a unique salt to each copy of the material so that, if it is leaked, the person who leaked it can be identified.

plural of traiteur

Without traits.

(psychology) Having characteristics of a trait

(often proscribed, derogatory) A person who supports attitudes or positions that are against the interests or well-being of their own race.