snob - A person with an exaggerated respect for high social position or wealth who seeks to associate with social superiors and dislikes people or activities regarded as lower-class
Victor used to be friends with Pete, but once Victor suddenly became rich, he acted like a snob and refused to associate with Pete.
blast - To explode or destroy something or someone with explosives, or to break through or hit something with a similar, very strong force
While building the tunnel through the mountain, the construction crew blasted its way day by day until it was finished.