Here are some options, along with their nuances:
General slang:
* Folks: This is a friendly and informal term for people, often used in casual conversation.
* Humans: A bit more formal, but still slangy, used to emphasize our shared humanity.
* Dudes/Ladies/Guys: These are informal and often used to address a group of people, but can also be used more broadly.
* Peeps: This is a slang term that's usually used for friends or acquaintances.
* Brethren: This is an older term that is sometimes used to refer to a group of people, often with a religious connotation.
Slang specific to age or group:
* Kids/Youngsters: Used to refer to children or teenagers.
* Seniors/Oldsters: Used to refer to older people.
* Crew/Squad: Used to refer to a group of friends or close associates.
More specific slang:
* The masses/the populace: Used to refer to a large group of people, often in a political or social context.
* The common man/woman: Used to refer to ordinary people, often in contrast to those in power.
* The hoi polloi: This is a more formal and somewhat archaic term for the common people.
Important note: Many of these slang words can be considered offensive or disrespectful depending on the context and audience. It's important to be aware of the connotations of the words you choose to use.
It's always best to be respectful and use language that is appropriate for the situation.