When you tend to a port, in the harbor.
Mr. C: What's Johnny do? Last I heard, he was the CEO of a Company.
Mr. D: Haven't you heard?
Mr. G: I haven't heard, what happened?
Mr. D: His degrees got revoked. He's port-tending now.
Mr. C: Hey, what's port-tending?
Mr. G: Oh port-tending, he's tending to the port!!
Mr. D: What a noble profession! I have to go the harbor now!!!