A. The Plaintiff is a local government that establishes and operates the D Elementary School, E Elementary School, and F Elementary School (hereinafter “each of the schools of this case”) under its jurisdiction. The public schools of each level under the Plaintiff set up a indefinite contract worker who provides the regular curriculum as a main part of the educational affairs administrative support for the regular curriculum for the operation of “regular curriculum” and “after school curriculum” (hereinafter “school affairs worker”). For the after school curriculum, the Plaintiff sets up a single-time contract worker who takes exclusive charge of the support of the teachers in charge of the after school (20 hours work per week) and a short-time worker who assists the above support work (14 hours per week).

B. As between March 4, 2014 and February 25, 2016, the Intervenor joining the Defendant (hereinafter “ Intervenor”) was employed as after-school support for each of the instant schools.

The specific place of service, the date of conclusion of employment contracts, and the term of employment contracts of participants shall be as follows:

The content of the labor contract at the service site of an intervenor shall be from March 2, 2015 to February 28, 2015 ( March 2, 2015), between March 2, 2015 and February 29, 2016 ( February 22, 2016) at the 2016th 20th 205 to February 26, 2016 ( March 21, 2016) at the 20th 2016th 20 to February 26, 2016 ( February 21, 2016) at the 20th 205th 20 to June 21, 2016 ( March 21, 2016) at the 20th 20th 20 to June 21, 2016 ( March 10, 2014) at the 20th 2016th 20.

The intervenors, on February 2, 2017 and February 22, 2017, are discrimination for the purport that “the Plaintiff did not pay traffic support expenses, holiday leave expenses, family allowances, fixed meal expenses, and customized welfare expenses to the intervenors on the ground that the intervenors are part-time and fixed-term workers. The Plaintiff paid three times the amount of discrimination and its amount.”