Expel from the body of senior lawyers (6)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
disbar
(Other definitions for disbar that I've seen before include "Expel from the practice of law" , "Braids (anag.)" , "Disqualify from practising law" , "Ban" , "Deprive barrister of the right to practise law" .)