If referring to a "court jester," like in the old days of kings and queens, then another word might be the "town fool," or "tom foolery."
A four letter word for 'jester' is fool.
the jester
balatro
The king asked the jester to performed tricks for his daughter's birthday.
The German word for fool or jester with the letter N is Narr, der Narr.
jester
Entertainment refers to the act of providing amusement or enjoyment. Some of its synonyms are pleasure, recreation, leisure, relaxation and fun.
maroon buffoon
道化師 Dōkeshi
Dance, make music and all other kinds of stuff. The jester was priveleged because he was allowed to make fun of his "superiors" and even the nobleman or king who employed him. If anyone else did that, they would be in big trouble! A "jest" is another word for a joke.
the jester ate fish :)
Jester Hairston's birth name is Jester Joseph Hairston.