A “go bag” is a bag you have for when you need to leave (“go”) in a hurry. For example, you might have a change of clothes, cash, hygiene items, your passport(s), snacks, a week’s worth of prescription meds, first aid kit.

My friend has one because he’s an immigrant and doesn’t feel secure in the current political environment. I have one because I’m trans and I don’t feel secure in the current political environment.

I downvoted you because it felt skeevy to be told I was providing backup to you, when I didn’t feel my data was particularly supportive. It felt like you putting words in my mouth.