Can anybody push to my project on github?

Question

I am new to git as well as github. I set up a repo on github, and I can push local stuff to this remote repo. Now here is the question: just after I push something to the re

Answer 1

No, but if the repository is public others can fork it, commit to their own fork.

They can then ask you to pull some of the changes in their fork into your repository via a pull-request.