Is it safe to share the iOS Enterprise Distribution Certificate with external developers?

Question

I am in the following situation: We have an enterprise developer account and for an app we are working with an external developer.

At the moment we do not have access to

Answer 1

They can be responsible for creating their own profile, and you can simply send them your p12 key (no big deal). You can also just give them the distribution certificate.

To be honest, I've never been in a situation where an employer or contractor was hesitant to give me their certificate & p12 file. So I've never thought much of it!