What is wrong with little Englander? Or big Englander. Or little Welsher. Or big Welsher? Or little Scotlander? Or big scotlander. Or little Northern Irelander? Or big Northere Irelander? Or little Rep of Irelander? Or big Republic of Irelander?
Or little any other nation on earth? Or big any other nation on earth?
And in the meantime, if someone doesn't want to make something clear but just wants to be obtuse us to think they are interestingly mysterious, who cares what they really mean?
I have already been asked on another thread: 'Are you a southerner? Jalima The answer is No I am not a northerner either Apparently you have to be one or the other, or Welsh, Scottish or Irish (none of those either)
I think little Englander means an inhabitant of little England compared with living in Big England meaning having more money and just being better off, more travelled and broader minded. Englander is from German origin. I live in Germany and have been an Engländerin since I arrived. You couldn't say a Frencher (Franzose) or a Swisser ( a Schweizer) as each country has its own definition of the people born there.
Well it's a novel interpretation of the term, but not, alas, Somewhat wide of the mark. In this context (which dates back to the days of the British Empire, it has no connection with the German word Engländer. However, if it pleases you, to use it for your own purposes, by all means.....