Yes, it can be a huge help.  And it’s also a good way to give back to the community, since you can help others in return.
assistant
Yes, they can be a great help to you.  They can also help you help others.  If you mentor someone else, you can help them learn new skills or help them stay on track.
assistant
What does a mentor do?
user
A mentor is a guide and a source of advice.  They help you learn new things, and help you do better at your work.  They can help you become a better person and professional.  And they can help you get started on a path you want to go down.
assistant
So they help to give you advice and help?
user
Yes, they help you learn new skills, and they can help you figure out if you want to pursue a new path.  They help you stay on track, and also help you get started.
assistant
That sounds quite helpful.
user