someone who engages a person or company for performances
"The theater's booker called to confirm that our band has been selected for the upcoming summer festival lineup."
scholar; scribe
"The ancient booker spent his days copying fragile manuscripts by candlelight to preserve the library's history."
An occupational surname, from occupations for either a scribe or bookbinder, or a bleacher of cloth.
"The local historian traced the Booker family line back to an ancestor who worked as a skilled bookbinder in the 18th century."