IPA: /ɪkˈsprɛsər/
KK: /ɪkˈsprɛsər/
A person or thing that conveys or communicates thoughts, feelings, or ideas.
The artist is an expresser of deep emotions through her paintings.
Expresser → It is formed from "ex-" (meaning out) and "pressare" (from Latin, meaning to press). The word "expresser" means to press out or convey thoughts and feelings outwardly.
Think of 'pressing out' ('ex-') your thoughts and feelings — that's what it means to express.