searcher
someone making a search or inquiry
hunter
a person who searches for something
investigador
an expert adviser involved in making important decisions but usually lacking official status
reporter
a person who investigates and reports or edits news stories
Tell
a Swiss patriot who lived in the early 14th century and who was renowned for his skill as an archer; according to legend an Austrian governor compelled him to shoot an apple from his son's head with his crossbow (which he did successfully without mishap)