Advocate sticks to client's interest.
He is paid for that.
Advocates institution stands for individual rights.
An advocate is trained not to fear King's scepter nor the sword even for the last person.
A judge is for justice, Just Stick..
Something that helps the society to stand right, straight, upwards.
A judge stands with the individual securing his proportionate happiest possible place in the society as per the wisdom of society and will of people synchronized with that of king.