As a noun jester is
one who jests, jokes or mocks.
cheshirecat
Not English
Cheshirecat has no English definition. It may be misspelled.
jester
Noun
(
en noun)
one who jests, jokes or mocks
a person in colorful garb and fool's cap who amused a mediaeval and early modern royal or noble court.
Synonyms
* (one who jokes) buffoon, clown, joker, see also
* (court entertainer) buffoon, clown, fool, jestress, see also
Derived terms
* court jester
Hyponyms
* (court entertainer) harlequin, pantaloon