A genealogist is a professional or hobbyist who studies family histories and lineages. They research and document the ancestry of individuals, often using various records such as birth certificates, marriage licenses, and census data. Their work helps people understand their heritage and connect with their ancestors. Genealogists often utilize tools like genealogy software and online databases to organize their findings. They may also conduct interviews with family members to gather personal stories and information. This field can be both a rewarding personal pursuit and a valuable resource for historical research and cultural preservation.