cinematography- the art of photography and camerawork in film-making (google search dictionary)

Cinematographer- someone who takes photos or works with a camera in film-making

the difference between a cinematographer and a director

A cinematographer is a person who deals with filming in connection with the film or the movie whereas The main purpose of the role is to direct and control the company’s operations and to give strategic guidance and direction to the board to ensure that the company achieves its mission and objectives

both definitions for director and cinematographer are from goggle drop downs.