riser
n. B2 Upper Intermediate US //ˈɹaɪzɝ// UK //ɹˈaɪzɐ// ris·er
n. a person who is becoming more successful or famous. You use this to describe someone who is moving up in their career or social status.
n. a person who is rising in status, popularity, or success.
He is a real riser in the tech industry.
While the veteran actor remains a household name, the younger generation is looking to the new riser to carry the franchise into its next decade of success.
From Middle English ryser, risere, equivalent to rise + -er.