Diplomat
noun
Someone from the outside who comes in to mix with the government is a diplomat. Really, that's what diplomats do, right? They come from the outside (country). They mix with the government, and they do what they're there to do!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
彼は元外交官です。
He is a former diplomat.
私の父は外交官で、世界に数台しかないギターを他の国の外交官からプレゼントされました。
My father is a diplomat and a diplomat from another country gave him a rare guitar, which is one of only a few that exist in the world.
その外交官はファッションについては詳しくないようです。
The diplomat does not seem to know much about fashion.