under (guidance, supervision, rules, the law, etc.)
Noun +
Indicates that an action or situation occurs under the influence, guidance, control, or specific conditions provided by a person, organization, or abstract concept.
Used to describe a figurative 'under' (supervision, conditions, or atmosphere) rather than physical location. When written in kanji (下), it is read as 'moto' in this context.
良い先生
I am studying Japanese under a good teacher.
子供たちは両親の愛
The children grew up under the love of their parents.
新しいルール
The game was held under new rules.
彼らは部長の管理
They are working under the supervision of the manager.
While '