DIRECTION: In the following questions, out of the four alternatives, CHOOSE the one which can be substituted for the given words/ sentence.
pedant (N.) : a person who makes an excessive/in APPROPRIATE display of learning and is too concerned with small DETAILS or rules, expecially while learning or teaching
educationist (N.) : a person (specialist) in THEORIES and methods of teaching
exhibitor (N.) : a person/ company that shows his/its work/ products to the public
researcher (N.) :a scientist who devotes himself to doing research