Eastern lawmaker, queen or king of kings? (7)
I believe the answer is:
emperor
'king of kings?' is the definition.
'emperor' can be an answer for 'king' (I've seen this before). I am not sure about the 'of kings?' bit.
'eastern lawmaker queen or' is the wordplay.
'eastern lawmaker' becomes 'emp' (I can't explain this - if you can you should give a lot more credence to this answer).
'queen' becomes 'ER' (abbreviation for Elizabeth Regina).
'emp'+'er'+'or'='EMPEROR'
Can you help me to learn more?
(Other definitions for emperor that I've seen before include "Large richly coloured butterfly" , "Title of sovereignty" , "Kaiser" , "Ruler of large territory" , "Male ruler of a group of countries" .)