Why is it der Karnevalist?

Karnevalist ends in -ist, and nouns ending in -ist are masculine: in a German dictionary, 97% of them take der.

All nouns ending in -ist
Sense 1
der

Meaning

[1] Persons involved in the carnival

[1] am Karneval beteiligte Person

Examples

[1]

[1]

Declension

1 Singular Plural
Nominativ der Karnevalist die Karnevalisten
Genitiv des Karnevalisten der Karnevalisten
Dativ dem Karnevalisten den Karnevalisten
Akkusativ den Karnevalisten die Karnevalisten

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary