Advance (someone's) interests

Translation of "advance (someone's) interests" into Russian

продвигать (чьи-то) интересы

The diplomat worked to advance his country's interests abroad.

Дипломат работал над продвижением интересов своей страны за рубежом.

To promote or support the goals, needs, or welfare of a person or group, often in a way that benefits them or helps them achieve their objectives.