Hamartia (noun) (literary)
The fatal flaw that leads to the downfall of a character.
Has its origins in late 18th century: Greek, ‘fault, failure, guilt’; the term was used in Aristotle’s Poetics with reference to ancient Greek tragedy.
“It took until the last chapter but the protagonist’s hamartia was revealed.”
Itinerant (adj) (noun)
Travelling from place to place. / A person who travels from place to place.
Late 16th century (used to describe a judge travelling on a circuit): from late Latin itinerant- ‘travelling’, from the verb itinerari, from Latin iter, itiner- ‘journey, road’.