welder

a weld; welding

to weld, to weld together

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

professional (プロフェッショナル) / production (プロダクション) / proletarian (プロレタリア, プロレタリアート) / prostitute (プロスチチュート) / proportion (プロポーション) / program (プログラム) / propaganda (プロパガンダ)

(slang) professional; like a pro

work, craft, art, skill / workman, artisan

Short for 競技プログラミング (“competitive programming”).