S: (n) backscratcher (someone who is willing to trade favors or services for mutual advantage)
S: (n) bottom feeder (an opportunist who profits from the misfortunes of others)
S: (n) carpetbagger (an outsider who seeks power or success presumptuously) "after the Civil War the carpetbaggers from the north tried to take over the south"
S: (n) upstart, parvenu, nouveau-riche, arriviste (a person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class)
W: (adj) barbarian [Related to: barbarian] (without civilizing influences) "barbarian invaders"; "barbaric practices"; "a savage people"; "fighting is crude and uncivilized especially if the weapons are efficient"-Margaret Meade; "wild tribes"