orderly

nouns

a soldier who serves as an attendant to a superior officer
"the orderly laid out the general's uniform"
is a type of (narrower)
someone who waits on or tends to or attends to the needs of another
is a type of (narrower)
an enlisted man or woman who serves in an army
"the soldiers stood at attention"
a male hospital attendant who has general duties that do not involve the medical treatment of patients

adjectives

devoid of violence or disruption
"an orderly crowd confronted the president"
antonym
is derived from
clean or organized
"her neat dress"; "a neat room"
is derived from