As nouns the difference between librarian and bookseller
is that librarian is the keeper, manager of a library while bookseller is a person engaged in the business of selling books.
librarian
Noun
(
en noun)
The keeper, manager of a library
One who cares for the publications, files etc. in a library, whether staff or volunteer
A person who processes and organizes information
Derived terms
* librarianship
Synonyms
* library-keeper (archaic)
Related terms
* library
* information services
bookseller
English
Noun
(
en noun)
A person engaged in the business of selling books.
A business that sells books.
Synonyms
* (person) bookman
Derived terms
* booksellerish
* booksellerism