Versifier
/ˈvɜːrsɪfaɪər/
Definition 1 of 2
Pro Tip 1/3Quality Connotation
Often implies lower quality poetry, perhaps lacking in artistic merit. 
Critics dismissed him as a mere versifier with no real depth.
Pro Tip 2/3Amateurish Tone
Suggests someone who writes poetry more as a hobby than a professional, serious poet. 
She's not famous; just a versifier who enjoys wordplay.
Pro Tip 3/3Not Always Negative
Can simply mean a poet, without necessarily a negative judgment on quality. 
My grandfather was a versifier who composed lovely poems for our family.