I read this as interloper. What's an extraloper?

An interloper being someone who intrudes or meddles in a situation (inter "between or amid) + loper "to leap or run" - https://en.wiktionary.org/wiki/loper ), an extraloper would be someone who dances or leaps around the outside of a subject or meeting with similar annoyances.

Are you sure the extraloper doesn't just run away on tangents?

They run on secants towards the outside.

Wouldn't that be an exloper?

Edit: Geometrically, I agree an extraloper could run on secants (or radii) but they're not allowed to strike a chord.

But getting back to generative text, I feel that "tangent" is more appropriate ;-)

Opposite of "inter-" is "intra-".

Intraloper, weirdly enough, is a word in use.

"inter-" means between, "intra-" means within, "extra-" means outside. "intra-" and "inter" aren't quite synonyms but they definitely aren't opposites of eachother.

Inter- implies relationships between entities, intra- implies relationships within entities.

In any single sentence context they cannot refer to the same relationships, and that which they are not is precisely the domain of the other word: they are true antonyms.

> and that which they are not is precisely the domain of the other word

External relationships are a thing, which are in neither of those domains.

An intramural activity is not the same thing as an intermural activity, but the overwhelming majority of activities which are not intramural activities are not intermural activities either, most are extramural activities.

> External relationships are a thing, which are in neither of those domains.

They are a subset of inter-, pretty obviously.

So we have also have the word "extra", but oddly the word "exter" is left out.

I'm exter mad about that.