1. The plaintiff's claim is dismissed.

2. The costs of the lawsuit, including the part resulting from the supplementary participation, are all assessed against the Plaintiff.

Ⅰ. Details and CD E EF GH I on April 27, 2001, on August 31, 201, 201, August 16, 201, on November 28, 201, on November 201, 201.

On December 20, 200, the Plaintiff established the J Co., Ltd. (hereinafter “J”) K Agency (hereinafter “instant agency”) and runs the automobile sales business until now.

C, D, E, F, G, H, and I (hereinafter referred to as “instant workers”) concluded a car sales service agreement with the Plaintiff, and subsequently, the car masters “car masters” in the instant agency refers to the car masters who enter into a car sales service agreement with the automobile sales agency owner (hereinafter referred to as “agency owner”) and perform the duties of automobile sales, collection, claims management, etc.

The Plaintiff, the Defendant, and the Intervenor trade the name of the car masters, and thus, the Plaintiff, and the Intervenor are also referred to as the car masters.

work as such.

The date of concluding a car sales service contract between the instant workers and the Plaintiff is as specified below.

B. The intervenor is a national-level trade union whose target is the car masters serving at the car sales agencies nationwide.

On September 18, 2015, the intervenor received a trade union establishment report from the Seoul Regional Employment and Labor Agency on September 18, 2015.

The instant workers joined the Intervenor.

C. The Plaintiff terminated the contract with the instant workers by pre-announcement of termination of the contract, notification of termination of the contract, and deletion of resignation after notification of termination of the contract to the instant workers as indicated below.

(hereinafter “instant termination”). The date of notification of termination of the name termination date of the instant contract is deleted once from June 20, 2016 - June 20, and June 24, 2016 - April 11, 2016 - July 1, 2016 E, - April 6, 2016 - June 1, 2016 - F on July 1, 2016 - June 1, 2016 - June 25, 2016 - July 201, 2016 - July 25, 2016 - July 201, 2016 - July 25, 2016 - July 25, 2016 - July 29, 2016 - June 20, 2016.