You searched for: “quibbler
quibbler (s) (noun), quibblers (pl)
A person or people who complain about little matters or conditions: The flight attendant was talking with the pilot about the quibblers who were unhappy about the bumpy flight that took place for about five minutes when the aircraft was caught in a sudden storm.
This entry is located in the following unit: English Words in Action, Group Q (page 2)