"作颂词者" can be translated as "the composer of odes" or "the one who writes odes" in English.
Here, "odes" refers to a type of lyric poem, typically formal and elevated in style, often expressing praise or admiration. "Composer" or "the one who writes" emphasizes the act of creating or writing such odes.
If you want a more concise or context-specific translation, you might also consider "ode author" or "ode writer," depending on the specific context and the level of formality required.