IPA: /ˈtɪt.lɪst/
KK: /ˈtɪt.lɪst/
A person who holds a title in a competition, often recognized as a champion in a specific field or sport.
After winning the tournament, she became the new chess titlist.
Titlist → It is formed from "title" (from Old French *titule*, meaning a name or designation) and "-ist" (meaning a person who practices or is concerned with). A titlist is a person who holds a title, especially in a competition or sport.
Think of someone who holds a 'title' — the '-ist' means a person, so a titlist is someone who is recognized for their title.