He is active as a member of the Jesuit Order.

Mr. Aino-tani is my best friend.

He is involved in education as a Jesuit.

He is interested in geometrical shapes.

He is conducting research on historical kana usage.

He often thinks about problems from a humanitarian perspective.

His company is facing the risk of a hostile takeover.

He is spending a lot of time on experimental research.

That plan is too impractical, it's difficult to implement.

His plan was so unrealistic that no one could believe it.