English-Portuguese translation for "beck"

beck {noun}

     to be at someone's beck and call

Is it true that he lives in a penthouse at the top of the Ritz surrounded by dozens of beautiful women at his every beck and call?

Parliament is not at the beck and call of the media and Parliament must have its own rhythm of working, or we will end up putting any old thing on the agenda.

This is clearly a novel way for the parties in the establishment, with the judiciary at their beck and call, simply to remove an opponent from the reckoning.