It ain't that you ain't one of "us" -
I ain't one of you.

Otherworlder or not don't matter to me! One o' the others wanna start doin' somethin' heinous, I'll split'em open 'n drain'em out just as I would any other lowlife!
I done it before! I'll do it again!

[Saying as much, though, he does seem to be looking Katsuki over, really studying him... it looks like despite his own words, he's considering the others pretty deeply.
And then that hatchet drops away from his shoulder, instead held by his side.]

... You still wanna be human, huh.