Who of the following is not a poet?

Charles Dickens, English novelist, generally considered the greatest of the Victorian era.
His many volumes include such works as-
A Christmas Carol,
David Copperfield,
Bleak House,
A Tale of Two Cities,
Great Expectations,
and Our Mutual Friend.
William Wordsworth is an English poet.
John Keats is an English Romantic lyric poet.
Alfred Tennyson was the leading Victorian poet in England.
[Source: Encyclopaedia Britannica]