Urine Protein Leak: He is spilling protein (p) in his urine and that needs to be quantified with a 24 hour urine for creatinine clearance and protein. Blood work will need to be taken to see if he has p due to diabetes, or some glomerular disease of the kidney.
It has now been held, by the majority in the Supreme Court, that LPP should not be extended to communications in connection with advice given by non-lawyers, even where the advice is legal advice which the non-lawyer is qualified to give.
1 No lawyer can be available all the time, so a benefit of a small law firm is having other lawyers on call in case one is busy or on leave.  Pooling of knowledge and experience. It is always helpful on a complicated legal matter to be able to talk to other lawyers to pick their brains on legal strategies.