job sharer

• a word derived from job sharing.
  job sharing

  noun

  the division of a job between two or more people such that each covers the same job for complementary parts of the day or week

job-sharer

• a word derived from job-share.
  job-share

  verb (used without object)

  to share the responsibility and duties of a single full-time job with one or more other employees.

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