He needs to fire Nishi. The guy has never drawn and refuses to do any art assistant tasks. He also is useless as a personal assistant as he causes trouble with the kiddo, and he's not doing household tasks either. He's not assisting with anything. There's a middle ground between leaving him stranded and homeless at the train station vs paying him money and giving him room and board. That middle ground would be firing him, but also driving him back to the city where he can return to his house and get other jobs.
He needs to fire Nishi. The guy has never drawn and refuses to do any art assistant tasks. He also is useless as a personal assistant as he causes trouble with the kiddo, and he's not doing household tasks either. He's not assisting with anything. There's a middle ground between leaving him stranded and homeless at the train station vs paying him money and giving him room and board. That middle ground would be firing him, but also driving him back to the city where he can return to his house and get other jobs.