a person who composes poetry.

a person who has the gift of poetic thought, imagination, and creation, together with eloquence of expression.

noun

artist , author , balladist , bard , dilettante , dramatist , librettist , lyricist , lyrist , maker , metrist , odist , parodist , poetaster , rhapsodist , rhymer , rimer , sonnetist , versifier , writer , muse , poetess , rhymester , idyllist , jongleur , laureate , minstrel , rhymster , scop , troubadour