psalmist

noun2

1. •
   A composer of psalms.

   • An environment which would have made a contented woman a poet, a suffering woman a devotee, a pious woman a psalmist, even a giddy woman thoughtful, made a rebellious woman saturnine. — 1878
2. •
   A composer of one of the Biblical Psalms.

   • The hunter is taken in his own snare, as the great Psalmist says. — 1897