shit stirrer
US /ˈʃɪt ˌstɜː.rər/
UK /ˈʃɪt ˌstɜː.rər/

1.
pembuat onar, penghasut
a person who intentionally causes trouble or arguments among people
:
•
He's a real shit stirrer, always trying to cause problems between colleagues.
Dia benar-benar pembuat onar, selalu mencoba menyebabkan masalah di antara rekan kerja.
•
Don't listen to her, she's just a shit stirrer.
Jangan dengarkan dia, dia hanya pembuat onar.