a name (word or phrase indicating a particular person, place, class, or thing) / (more specifically) a given name (excluding the surname)

this may be "nie" (錵, martensitic crystals embedded in pearlite matrix), from wikipedia article https://en.wikipedia.org/wiki/Masamune#Style ,referring to quenching hot steel.

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

given name

(computing) name resolution

everything

(colloquial) current boyfriend

everyone, one and all