A(n) __________ is someone who investigates social problems, collects the statistics, writes reports based upon the findings, and raises necessary funds.
The person and the job that is requiring the description from your question is called Social statistician.
A social statistician is a person whose job is to work with social statistics which are considering statistics that are necessary for social understanding. Through it, we can capture people's behavior, attitudes, and more social problems that can be found in society.
