[Nadya]

Not sure if the offer is rhetoric or not. No contact email, no business name. Is it related to #1 as a joke-of-sorts?

日本語を知っている必要がありますか？

[civilian]

I think this is him: https://www.linkedin.com/in/jjclune

The company is HouseCare. http://housecare.tokyo https://www.linkedin.com/company/mommycare The company info email address is: [e-mail]