Space Occupier is a job title that describes someone who works in the field of space exploration. This person is responsible for occupying and exploring space, as well as researching and studying planets and other MATTER in space. The term can be broken down into two words: MATTER (6 letters) and PLANET (6 letters). MATTER refers to any physical substance that occupies space, while PLANET refers to a celestial body that orbits around a star. Together, these two words describe the job of a Space Occupier.