wysoka pozycja 英語で:

as his prominence grew...

With the appearance of a promising new writer, the aging novelist fell from prominence.

This competitor has a prominent position.

he has the seniority position

Promotion is done strictly on the basis of seniority.

In Japan wages are usually in proportion to seniority.

I would feel more optimistic about a bright future for man if he spent less time proving that he can outwit Nature and more time tasting her sweetness and respecting her seniority.