### Clue: Broker, one thinking to erase first bit of tension (8)
### Answer: MEDIATOR 
 ### Explanation: Definition: Broker
 "meditator"(one who is thinking) **minus**(to erase) **1st of**(first) **of the 2** "t"(bit of "tension")s.**
Defn: One who brokers, or tries to borker, the resolution of a conflict.