Translation of "unjustly" into Japanese

He may have treated us unkindly or unjustly.

意地悪な扱いや不公平な扱いを受けたかもしれません。

Hence, he should have freedom only to the extent that it does not unjustly interfere with that of others.

そのため,人の持つ自由は他の人の自由を不当に侵害しない範囲に限られるべきです。