aspirant, aspirer, hopeful, wannabe, wannabee -- (an ambitious and aspiring young person; "a lofty aspirant"; "two executive hopefuls joined the firm"; "the audience was full of Madonna wannabes")
Overview of adj hopeful
The adj hopeful has 2 senses
hopeful -- (having or manifesting hope; "a line of people hopeful of obtaining tickets"; "found a hopeful way of attacking the problem")
bright, hopeful, promising -- (full or promise; "had a bright future in publishing"; "the scandal threatened an abrupt end to a promising political career"; "a hopeful new singer on Broadway")