humourist

noun4

1. •
   A humorous or witty person, especially someone skilled in humorous writing or performance.

   • Art Buchwald, who satirized the follies of the rich, the famous and the powerful for half a century as the most widely read newspaper humorist of his time, died Wednesday night in Washington. — 2007
2. •
   One who studies or portrays the humours of people.
3. •
   (no longer used, historical) Someone who believes that health and temperament are determined by bodily humours; a humoralist.
4. •
   (no longer used) Someone subject to whims or fancies; an eccentric.

   • I called on him and found him a contemporary of Beauclerk and Langton at Trinity College, Oxford, and a man of reading and animation, but a kind of humourist. — 1792