They both seek vibranium but for different reasons: Klaue is trying to profit from Wakanda's wonder - material; Killmonger is trying to make his way to Wakanda to make a bid for the throne.
Not exact matches
To stop Wakanda from being discovered by the world, King T'Chaka murders his brother N'Jobu, a Wakandan spy
seeking to arm oppressed African - Americans with
Vibranium - powered weapons after witnessing their plight up - close.
We've seen him out of his element, kicking ass,
seeking revenge, now we get a look at his homeland, Wakanda, a place of secrecy and beauty more like Krypton than NYC, the hidden gem that houses the precious
vibranium.
M'Baku
seeks Wakanda to abandon its reliance on
vibranium, the rare metal (also found in Captain America's shield) which has allowed Wakanda to scientifically progress beyond the rest of the world.