He traded in fish, but made sure he only sold to Aramaic speakers.
He lived in Capernaum on an international trade route, but avoided talking to foreigners.
The fact that they chose names for both their sons which work in Greek (Simon & Andrew) was actually just to spite Greek speakers.
He travelled as a preacher in the linguistically mixed villages of Palestine, but always spoke only to Aramaic speakers.
If he travelled from Palestine in later life, he worked hard not to learn Greek.
Because...
we all just KNOW he was an Aramaic speaking peasant.
#irony