A scrutinizer, also known as a scrutineer, is a person responsible for examining something carefully and in detail. Synonyms for this word include inspector, examiner, auditor, checker, monitor, assessor, reviewer, appraiser, evaluator, and surveyor. Each synonym has a slightly different connotation, but each implies a person who is diligent and meticulous in their examination of something. For example, an auditor tends to be associated with examining financial records, while a surveyor is associated with examining physical spaces. Regardless, these synonyms all refer to individuals who pay close attention to detail and are diligent in their work.