betrayer vs trickster

betrayer and trickster both are nouns.

Word	Noun	Adjective	Verb	Adverb
betrayer	Yes	No	No	No
trickster	Yes	No	No	No

As nouns, trickster is a hypernym of betrayer; that is, trickster is a word with a broader meaning than betrayer:

Other hypernyms of betrayer include beguiler, cheat, cheater, deceiver, slicker.

betrayer (noun)	trickster (noun)
a person who says one thing and does another	someone who plays practical jokes on others
one who reveals confidential information to the police or other authority	someone who leads you to believe something that is not true
	a mischievous supernatural being found in the folklore of many primitive people; sometimes distinguished by prodigious biological drives and exaggerated bodily parts