Who is El Paso Lawyer from Shaking the Nickel Bush and what is their importance?

Ralph promises a former client that he will do a bust for his son-in-law. When Ralph arrives in El Paso to do the job, he meets the lawyer, and ends up disliking both the lawyer and the contract he wants him to sign. Ralph refuses to sign the contract, and in the end, makes an extra twenty-five dollars on the bust. Ralph, however, is unhappy with his work and wishes he could have presented a kinder image.