theater prompter vs assistant

theater prompter and assistant both are nouns.

Word	Noun	Adjective	Verb	Adverb
theater prompter	Yes	No	No	No
assistant	Yes	Yes	No	No

As nouns, assistant is a hypernym of theater prompter; that is, assistant is a word with a broader meaning than theater prompter:

theater prompter: someone who assists a performer by providing the next words of a forgotten speech
assistant: a person who contributes to the fulfillment of a need or furtherance of an effort or purpose

Other hypernyms of theater prompter include help, helper, supporter.

theater prompter (noun)	assistant (noun)
someone who assists a performer by providing the next words of a forgotten speech	a person who contributes to the fulfillment of a need or furtherance of an effort or purpose

theater prompter (adjective)	assistant (adjective)
	of or relating to a person who is subordinate to another