lobby

nouns

a large entrance or reception room or area
the people who support some common cause or business or principle or sectional interest
is a type of (narrower)
(plural) any group of human beings (men or women or children) collectively
"old people"; "there were at least 200 people in the audience"
a group of people who try actively to influence legislation
is derived from

verbs

detain in conversation by or as if by holding on to the outer garments of; as for political or economic favors
is derived from