booking clerk vs marketer

booking clerk and marketer both are nouns.

Word	Noun	Adjective	Verb	Adverb
booking clerk	Yes	No	No	No
marketer	Yes	No	No	No

As nouns, marketer is a hypernym of booking clerk; that is, marketer is a word with a broader meaning than booking clerk:

booking clerk: someone who sells tickets (e.g., theater seats or travel accommodations)
marketer: someone who promotes or exchanges goods or services for money

Other hypernyms of booking clerk include seller, trafficker, vender, vendor.

booking clerk (noun)	marketer (noun)
someone who sells tickets (e.g., theater seats or travel accommodations)	someone who promotes or exchanges goods or services for money