If you rub elbows with or rub shoulders with someone important or famous, you spend time with them.

For example:

He couldn’t turn down a chance to rub elbows with the decision makers of his industry.

I rub shoulders with John at work. We are good friends.

As a reporter, he gets to rub shoulders with all the big names in politics.

The awards dinner gave me the opportunity to rub shoulders with some of today’s greatest American poets.

He couldn’t turn down a chance to rub elbows with the decision makers of his industry.

Tradução: conviver com, passar tempo com, passar tempo com pessoas influentes ou famosas).