librarian
/ˈlaɪbrɛrɪən/Definitions
1. noun
a person responsible for maintaining and issuing books from a library
“The librarian helped the students find books on their reading list.”
2. noun
a person who specializes in the cataloging, classification, and preservation of books and other materials in a library
“As a librarian, she was skilled in the Dewey Decimal System.”
3. verb
to catalog, classify, or preserve books and other materials in a library
“She spent the day librarianing and updating the library’s online catalog.”