I would advise against so many languages/technologies at once. This was the mistake I made in the beginning and I haven't really recovered. I can dig in to many

I would advise against so many languages/technologies at once. This was the mistake I made in the beginning and I haven't really recovered. I can dig in to many things and make them work, but I think I would have been better off if I tried to master one or two things. Find out what your friend is interested in and make your recommendations based on that.