imitator vs trickster

imitator and trickster both are nouns.

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

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

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

imitator (noun)	trickster (noun)
someone who copies the words or behavior of another	someone who plays practical jokes on others
someone who (fraudulently) assumes the appearance of another	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