This is the 13242nd most frequent German word.
aufstrebender
"Emerging" or "aspiring".
In this sentence, 'aufstrebender' describes someone (an artist) who is rising or growing in prominence or skill.
Er ist ein aufstrebender Künstler in der lokalen Gemeinschaft.
He is an emerging artist in the local community.
Here, 'aufstrebender' characterizes an entity (a technology hub) that is becoming notable or important.
Die Stadt entwickelt sich als ein aufstrebender Technologie-Hub.
The city is developing as an emerging technology hub.
In this usage, 'aufstrebender' reflects an individual's ambition or striving for success.