Greetings to everyone from Perú,
I’ve been a Linux user for many years. Now, I want to get deeper in various topics about Ubuntu, and one of my first steps is to get involved with this community. I hope to learn more about Ubuntu here and when I start growing help other people too. 
Welcome to Ubuntu Discourse
We are glad you are here. There is much to learn and feel free to post questions or contribute when you can.
Hello pebece98 
My welcome too:
“Get involved” >> You will find these of interest:
http://www.ubuntu.com/community/get-involved
https://ubuntu.com/community/contribute - just a few ways to you can contribute to our community
-And have fun along this journey-
Welcome. Hope you have the most excellent time here in this amazing community.