General:
* Them (used as an object)
* Those (referring to people or things previously mentioned)
* These (referring to people or things close at hand)
* The people
* The individuals
* The group
* The team
* Everyone
* All of them
* Those folks
Formal:
* The aforementioned
* The aforesaid
* The aforementioned individuals
Informal:
* Guys (can be used for both genders)
* Folks
* You all
* Y'all
Specific to a singular person:
* He (if the person is male)
* She (if the person is female)
* It (if the person is gender-neutral or a non-human being)
Singular they:
* They (used for a singular person whose gender is unknown or not relevant)
Important note:
Using "they" as a singular pronoun is becoming increasingly common and accepted, especially when referring to someone whose gender is unknown or non-binary. However, some people still prefer to use "he/she" or "he or she" in these situations. It's always best to be mindful of your audience and choose the pronoun that feels most appropriate and respectful.