grognard

Etymology
From.

Noun

 * 1) An old soldier.
 * 2)  A soldier of the original imperial guard that was created by Napoleon I in 1804 and that made the final French charge at Waterloo.
 * 3)  Someone who enjoys playing older war games or roleplaying games, or older versions of such games, when newer ones are available.
 * 4)  A soldier or enthusiast in attention to detail for rules and regulations. Respected as an expert in things most people don’t care about.
 * 1)  A soldier or enthusiast in attention to detail for rules and regulations. Respected as an expert in things most people don’t care about.

Translations

 * Catalan: veterà

Etymology
From.

Noun

 * 1) a grumbler; one who grumbles
 * 2) an old veteran soldier, specifically an old grenadier of the Imperial Guard (Grenadiers à pied de la Garde Impériale); an old complaining soldier