He lost everything.

He may say he's a doctor, but he's actually a veterinarian.

In the park, people were playing happily.

His character is very kind.

I am opposed to his opinion.

His opinion is completely opposite to my position.

He has a contrary nature, doing the opposite of what people say.

He always takes a contrarian attitude.

He has an amanojaku personality, doing the opposite of what people say.

He has a contrarian nature, doing the opposite of what people say, like an amanojaku.