Related Clues:

• Half of Gang Starr
• Adviser of a sort
• Looking back, you walk on it with authority
• Dab hand
• Trusted sage
• Revered advisor
• Personal advisor
• Expert leaders from global urban research unit
• Person with specialist knowledge
• Sanskrit for 'teacher'
• Try hard to keep parking space for boffin
• Next centre forward is a skilled performer
• One practised
• US rapper whose No Time To Play featured Dee C Lee
• I have great knowledge and power in use