The Sergeant Major that appears with the Colonel just before the "Self Defence Against Fresh Fruit" sketch wears three chevrons on the sleeve his blue T-shirt (not regulation British Army uniform), denoting the lower rank of Sergeant. See more
Second Man in Self-defense class
[about the Self-Defense topic
Can't we do something else for a change?
Fourth man who is interested in pointed sticks
Like if someone attacks you with a pointed stick?
RSM Teaching Self-Defense
Pointed stick? Oh, oh, oh. We want to learn how to defend ourselves against pointed sticks, do we? Gettin' all high and mighty, eh? Fresh fruit not good enough, eh? Oh, oh, oh, oh. WELL, I'LL TELL YOU SOMETHING, MY LAD! When you're walking home tonight and some homicidal maniac comes after you with a bunch of loganberries, don't come cryin' to ME!