In the UK and OZ .........postman
The appropriate non-binary term to use instead of "sir" or "ma'am" is "Mx."
Deborah mailman dad is wally mailman and her mum is Jane mailman
The term "used for" might be replaced by "employed for" or "utilized for."
idunno
There is no mailman character on Family Guy
Actually we use both. However, it isn't clear in what context you would prefer to use the word "food" instead of "energy".
My mail man is a dummy, he doesn't use math or anything the like.
You could, but the better term is attached.
Instead of saying waiter or waitress, say "server."
Basically people use that term instead of using the word butt. And sometimes they may use the term buns if they are talking about a woman's breast.
The difference between a mailman and water is water can be bottled and a mailman can't.
Those of us who speak English use the term "worse" instead.