credulous

gullible; easy to fool; a person who believes anything someone tells them

credible

possible; believable

incredible

hard to believe

sabotage

is when someone messes up something on purpose;

omniscient

All knowing. God is thought to be omniscient.

Narrative or Narrator or Narration

A narrator is a story teller. A narrative is a story. A naration is a telling of story.