loader

nouns

a laborer who loads and unloads vessels in a port
dock worker, dock-walloper, docker, dockhand, dockworker, loader, longshoreman, lumper, stevedore
is derived from
load
is derived from
load
an attendant who loads guns for someone shooting game
loader
is derived from
load
is a type of (narrower)
someone who waits on or tends to or attends to the needs of another
attendant, attender, tender