staff

In a sentence

• Le staff de l'hôtel était très accueillant.

  The hotel staff was very welcoming.

  Here, 'staff' is used as a noun referring to the group of employees working at a hotel.

• Je fais partie du staff technique qui organise l'événement.

  I am part of the technical staff organizing the event.

  In this sentence, 'staff' is again a noun, referring to a group of specialized personnel responsible for technical aspects of the event.

• Le staff travaille dur pour garantir la satisfaction des clients.

  The staff works hard to ensure customer satisfaction.

  Here, 'staff' is used collectively to indicate the group of workers striving to meet client needs.