sweater

villapaita, pusero, villapusero

hikoilija A knitted jacket or jersey, usually of thick wool, worn by athletes before or after exercise.
puhekieltä A similar garment worn for warm warmth.
One who sweats (produces sweat).
(quote-book)
One who or that which causes to sweat.
1906, Chesterton, Charles Dickens, s:Charles_Dickens_(Chesterton)/III chapter 3

We learn of the cruelty of some school or child-factory from journalists; we learn it from inspectors, we learn it from doctors, we learn it even from shame-stricken schoolmasters and repentant sweaters; but we never learn it from the children; we never learn it from the victims.