乱暴(らんぼう)で感情的(かんじょうてき)な男で、「私」を敵視(てきし)して暴力を振るうが、後に奇妙な連帯感を見せた

In the workshop, there were the owner (president), who was eccentric but possessed unique plating skills, and Karube, a senior craftsman. Karube was an extremely violent man with volatile emotions. He strongly antagonized the newcomer, 'I,' shouting and exerting violence daily, but on the other hand, once he realized 'I' would not steal his skills, he showed a strange sense of solidarity, acting unpredictably.