soh-chim

Klingon legal and social role similar to a "godparent"; bestowed on a family friend who would care for a child if their parents were incapacitated

Gay/lesbian/bisexual/transgender

"loD be' je ngaghbogh loD" (Man who has sex with men and women, i.e. bisexual) and "be' mojpu'bogh loD" (Man who has become a woman)…

K'Ehleyr

ST:TNG character, half-Klingon emissary and ambassador. https://memory-alpha.fandom.com/wiki/K'Ehleyr

Mr./Ms./-san

Some Klingons have names that resemble general nouns ({QaS, Qel}), which may be confusing in some contexts. Titles could be used to disambiguate in some…

Tawi'yan

role analogous to best man at Klingon wedding

mentor

trusted guide or advisor, usually within a particular field or organization