fault·find·er 
/ˈfɑ:ltˌfaɪndɚ/ noun
plural fault·find·ers /ˈfɑ:ltˌfaɪndɚ/ noun [count] : a person who criticizes someone or something often in a way that is not fair or reasonable
▪ Faultfinders were quick to point out inconsistencies in the study. — see also find fault at 1find
▪ Faultfinders were quick to point out inconsistencies in the study. — see also find fault at 1find
— fault·find·ing /ˈfɑ:ltˌfaɪndɪŋ/ noun [noncount]
▪ constant faultfinding
▪ constant faultfinding
— fault·find·ing adjective
▪ a faultfinding analysis
▪ a faultfinding analysis
