IPA: /kəˈrɑːtiɪst/
KK: /kəˈrɑːtiɪst/
A person who practices or is skilled in the martial art of karate.
The karateist demonstrated impressive skills during the tournament.
Karateist is derived from "karate" (from Japanese 空手, meaning empty hand) and the suffix "-ist" (meaning one who practices or is concerned with). The term refers to a person who practices karate, which is a martial art that emphasizes striking techniques using the empty hands.
Think of 'karate' meaning 'empty hand' and remember that a 'karateist' is someone who practices this martial art.