jester

US /ˈdʒes.tɚ/
UK /ˈdʒes.tɚ/
"jester" picture
1.

a professional clown or fool, especially formerly at a monarch's court, who entertained with jokes and tricks

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The king's jester always had a witty remark for every occasion.
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He dressed up as a medieval jester for the costume party.
:
clownfoolbuffoonharlequinzany
2.

a person who habitually jokes or makes fun of others

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He's quite the jester, always making everyone laugh.
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Don't mind him, he's just being a jester.
:
jokerwagwitcomedianhumorist