bulker

Etymology
From.

Noun

 * 1)  A bulk dry goods cargo ship.
 * 2)  A person employed to ascertain the bulk or size of goods, in order to fix the amount of freight or dues payable on them.
 * 3) A person who bulks (gains body mass).
 * 4) Anything, such as a dietary supplement or an exercise, that helps a person to gain body mass.
 * 1) Anything, such as a dietary supplement or an exercise, that helps a person to gain body mass.