Someone who goes out a lot can be referred to as a "social butterfly." This term describes individuals who are extroverted and enjoy socializing in various settings. They often thrive on meeting new people and participating in social events. Other terms that might apply include "partygoer" or "night owl," depending on the context.
Don't call someone
Modern.
Someone who goes out with a lot of people from one group. So it is someone who goes out with a lot of people who hang out together or are friends with each other.
a cab
chatterbox
booser
A recluse.
easy going
A man.
A Krillin.
Spanish kisser
a bully