a person or organization that upholds (= defends) a law, a principle, or a decision that has been made

She joined the police force and became an upholder of law and order. 她加入了警察部队，成为维护法律和秩序的一员。

Many of these men are regarded as upholders of public morality. 其中许多人被视为公共道德的维护者。