#sociologist  a social scientist who studies the institutions and development of human society
  supertype:  social_scientist  someone expert in the study of human society and its personal relationships
  instance:  Emile_Durkheim  Francois_Marie_Charles_Fourier  Robert_King_Merton  Vilfredo_Pareto  Parsons  Herbert_Spencer  William_Graham_Sumner  Sidney_James_Webb  Max_Weber
  subtype:  demographer__demographist__population_scientist  a scientist who studies the growth and density of populations and their vital statistics
  subtype:  psephologist  a sociologist who studies election trends

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