A literary trope is the use of figurative language, via word, phrase or an image, for artistic effect such as using a figure of speech. Keith and Lundburg describe a trope as, "a substitution of a word or phrase by a less literal word or phrase."

What is your character trope?

What Are Character Tropes? The word “trope” refers to a common motif or pattern in a work of art. In the context of fiction, character tropes refer to common attributes or even entire stock characters.

Who you are in the dark Tvtropes?

The usual Aesop of this trope revolves around the idea that anyone can do the right thing when all the attention is placed on them and it would be inconvenient not to do so, but it takes real strength of character — and heroism — to do the heroic thing when no one is watching and there's nothing to lose.