The Word is:”they”

they

/ðeɪ/
pronoun
pronoun: they

1. used to refer to two or more people or things previously mentioned or easily identified.
“the two men could get life sentences if they are convicted”

  • people in general.
    “the rest, as they say, is history”
  • informal
    people in authority regarded collectively.
    “they cut my water off”
  • 2. used to refer to a person of unspecified gender.
    “ask a friend if they could help”

    Source credit: Google