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.

1. Details of the decision on retrial;

A. A party status intervenor is a public interest corporation established pursuant to the Act on the Establishment and Operation of Public Interest Corporations (hereinafter “Public Interest Corporations Act”), which employs five full-time workers and operates school expenses support projects, etc.

On November 1, 2013, the Plaintiff joined the Intervenor and served as the head of the Secretariat of the Intervenor.

B. On December 29, 2015, the Intervenor dismissed the Plaintiff as of December 31, 2015 on the grounds that the previous disciplinary action and remedy is difficult business management, the need to reduce human resources due to the establishment of an electronic computer system, and the Plaintiff’s speech and work attitude are bad. The Plaintiff filed an application for remedy with the Seoul Regional Labor Relations Commission on January 4, 2016, and the Seoul Regional Labor Relations Commission accepted the Plaintiff’s request for remedy on February 29, 2016 (Seoul Decision 2016Da27, April 21, 2016) (the Plaintiff returned to the Intervenor as of April 28, 2016). The Intervenor returned to the Intervenor on April 28, 2016 (hereinafter referred to as “former Chief Director”) and the Secretary D (hereinafter referred to as “Secretariat in special service”) for verbal abuse against the former Chief Director C (hereinafter referred to as “Chief Director”), warning against the Plaintiff’s failure to comply with his/her corrective order, ③ neglect of his/her fault and neglect.

On May 2, 2016, the Plaintiff filed an application for remedy with the Seoul Regional Labor Relations Commission, and the Seoul Regional Labor Relations Commission accepted the Plaintiff’s application for remedy on June 28, 2016.

(Seoul 2016da945) The Intervenor filed an application for review with the National Labor Relations Commission on July 22, 2016, but the National Labor Relations Commission dismissed the Intervenor’s application for review on October 26, 2016.

(C) On December 12, 2016, the Plaintiff returned to the Intervenor on December 12, 2016.

C. On January 17, 2017, the Intervenor’s personnel committee held on January 17, 2017 (i) the dismissal and remedy of the instant dismissal and remedy (i) the Intervenor’s personnel committee is an inevitable speech, such as verbal abuse to a superior(i.e., abusive language, equipment and

(2) An objection to business instructions: A rejection of business trips accompanied by a global conference (hereinafter referred to as "business trips");