Anyone who consciously expresses creativity and skill to evoke emotion, convey ideas, or create beauty. This includes traditional "fine artists" as well as musicians, writers, dancers, designers, and even communities creating together.
Innate ability or acquired skill? Both. While some individuals may have natural aptitudes (innate ability), mastery almost always requires immense acquired skill through dedicated practice, study, and perseverance. Effort often outweighs initial "talent."
How does the role of the artist change with different cultural considerations? The artist's role is highly cultural. It can shift from:
Ritualistic/Spiritual: Facilitating ceremonies or connecting with the divine.
Social/Political Commentator: Challenging norms or advocating for change.
Storyteller/Historian: Preserving collective memory or narratives.
Community Builder: Fostering identity and belonging.
Aesthetic Decorator: Creating objects primarily for beauty.
Their status (artisan vs. genius) and preferred mediums also vary significantly across cultures.