a man eating dog
A person who plays with words is commonly known as a wordsmith or a wordsmith and is often skilled in using language creatively and cleverly.
A person who uses a lot of words can be referred to as verbose or loquacious.
A person who uses sophisticated words is often called eloquent or articulate, with a strong command of language and vocabulary.
A person who uses long words and lengthy explanations can be referred to as verbose or loquacious.
A person who studies the origins of words is called an etymologist. They investigate the history and development of words, tracing their roots and understanding how their meanings have changed over time.
Sesquipedalian
A "harmonicanist" is what a person who plays the harmonica is called.
A person who plays Scrabble is called a Scrabbler. (unofficially)
A drummer or percussionist plays the drums.
a cymbalist
harpist
An organist
Guitarist
a baritonist
guitarist
A saxophonist.
accordionist
A pianist.