term:

Lobby

lobby n

pl: lobbies
: a group of persons engaged in lobbying esp. as representatives of a particular interest group
vb lob·bied
lob·by·ing
vi
: to conduct activities aimed at influencing public officials and esp. members of a legislative body on legislation
vt
: to attempt to influence or sway (as a public official) toward a desired action
lob·by·er n

lob·by·ist n