squabbler

/ˈskwɑblər/
noun
  1. A person who argues noisily about something unimportant.
    • The two siblings were known as constant squabblers over toys.
    • My neighbor is a squabbler who argues about parking spots every day.
    • At the meeting, the squabbler kept interrupting with petty complaints.
Antonyms
What does "squabbler" mean? | whatsthatwordmean | whatsthatwordmean