i Register
In some senses, guardsman is marked as US, British. Watch for register when choosing this word.
noun
A person, especially a soldier, who is on guard; especially, a masculine one.
Near-synonyms: guard, watcher; guardswoman, watchwoman
A member of the Guards or of the Guard (in any sense thereof); especially, a masculine one.
Near-synonym: guardswoman
A member of the Guards or of the Guard (in any sense thereof); especially, a masculine one.
Near-synonym: guardswoman