Motivate the person, help him/her by giving references/leads of job vacancies, teach him/her extra skill, give him/her tips on how to answer in interviews. Ask him/her to be in touch with the suject he/she is specialised.
You can try your best, As the best thing that can be done is to boost his morale!
Later just motivate him that its not the end of the world
There are many jobs lurking in the corner
All he has to do is , to try