"Fiero" means adjective. proud [adjective] feeling pleasure or satisfaction at one's achievements, possessions, connections etc. proud [adjective] having a (too) high opinion of oneself; arrogant. 

Main cast:

Evianna Hallewell

Lorelei Cason

Imogen Ryley

• Maximus Del Gatto

• Delaney Vance

• Nikolai Wesley

Other Cast:

Lory Walton

Aria Wesley

Cara De Vega