Definition of preoccupant in English:

preoccupant

adjective

  • Previously occupying; preoccupying, mentally absorbing.

noun

  • A person who occupies (a place or region) before others; a previous or earlier occupant. Now rare.

Origin

Mid 17th century. As adjective from pre- + classical Latin occupant-, occupāns, present participle of occupāre occupy, after preoccupy; compare slightly earlier preoccupying. As noun from pre- + occupant, after preoccupy.