A poetry
A person who writes the libretto for an opera is simply referred to as the librettist.
Screenwriter screen/playwright
A rhyming dictionary.
there are a couple modern words which could be defined as a rhyming song, such as rap or jingle, but the only musical term in English that I can find is Stanza, which applies to song as it does to poetryStanza - A selection of a song, two or more lines long, characterized by a common meter, rhyme, and number of lines.there is a more obscure term, Virelay which I think only applies to a very specific french song:(n.) An ancient French song, or short poem, wholly in two rhymes, and composed in short lines, with a refrain.(This definition is from the 1913 Webster's Dictionary and may be outdated.)
A person who specializes in drama is typically referred to as a "dramaturg" or "drama specialist." They may also be called a "drama teacher" if they focus on education, or an "actor" if they perform in dramatic works. Additionally, someone who writes plays can be called a "playwright."
The person who makes a will (or 'testament') is a testator.
A Philosopher
A person who writes the libretto for an opera is simply referred to as the librettist.
A drawer.
proposal
A poetry
publisher
hearse
A person who writes verses is a poet.
A columnist...?
The word is referee.
A screenwriter