A heat gun to expand the metal and a rubber mallet or block of wood with a hammer to try and tap the handle would be my least destructive suggestion. You could try and use a pry bar, but you’ll run the risk of cracking a tile.
I think I’d give my former suggestion a solid shot before trying anything that could cause damage.
It was supposed to be the “universal language”. According to Wikipedia, up to 100,000 people speak it globally.
If I remember correctly, it was adopted by the League of Nations, a precursor to NATO, in the early 1900’s.
Here’s the article if you’re interested. I didn’t really read through it to fact check myself cause I’m poopin’ on break, but there you go.
https://en.m.wikipedia.org/wiki/Esperanto