IPA: /ˈhaɪmnɪst/
KK: /ˈhaɪmnɪst/
A person who writes religious songs or hymns, often used in worship.
The hymnist composed a beautiful song for the church service.
Hymnist → It is formed from "hymn" (from Greek "hymnos", meaning a song of praise) and "-ist" (meaning one who practices or is concerned with). A hymnist is one who composes or sings hymns, or songs of praise.
Think of a 'hymn' as a song of praise, and remember that a 'hymnist' is someone who creates or sings these songs.