The Collaborative International Dictionary of English v.0.48:
Aspirer \As*pir"er\, n. One who aspires. [1913 Webster]WordNet (r) 3.0 (2006):
aspirer n 1: an ambitious and aspiring young person; "a lofty aspirant"; "two executive hopefuls joined the firm"; "the audience was full of Madonna wannabes" [syn: aspirant, aspirer, hopeful, wannabe, wannabee]