What is another word for complainer?
Pronunciation: [kəmplˈe͡ɪnə] (IPA) 
A complainer is someone who constantly expresses their dissatisfaction or grievances. Other synonyms that can be used for complainer include whiner, grumbler, moaner, crybaby, faultfinder, kvetch or grouser. These terms refer to individuals who often find fault in everything and are found complaining about the slightest mistake or inconvenience. They tend to focus more on the negative aspects of situations rather than the positive ones. Frequently, complainers are known for lacking resilience and being unable to cope with even the slightest of setbacks. In general, these synonyms give an idea of someone who is consistently unhappy or disapproving.
