materialist

noun

1. Someone who is materialistic, concerned only with material possessions.

   “Ironically, today's generation has become the little materialists and "fame whores" (New York Magazine's term) their boomer parents so reviled.”

2. A follower or proponent of philosophical materialism.

   “It is weary work enough to argue with an ordinary materialist, who hurls statistics and whole strata of geological facts at your head, whilst you can only buffet him with deductions and instincts and the snowflakes of faith, that are, alas! so apt to melt in the hot embers of our troubles.”

adj

1. Of or concerning materialism.
2. Synonym of materialistic, concerned only with material things.