diplomat

noun

Etymology: From French diplomate, a back-formation from diplomatique (“diplomatic”), ultimately from Ancient Greek δίπλωμα (díplōma, “double-folded document”).

1. A person, such as an ambassador, who is accredited to represent a government officially in its relations with other governments or international organisations

   “The French diplomat negotiated the peace treaty.”

   “A career as a diplomat requires cultural awareness and patience.”

2. Someone who uses skill and tact in dealing with other people.