Who is Gonzalo from A Tempest: Based on Shakespeare's The Tempest, Adaptation for a Black Theatre and what is their importance?

Gonzalo, Alonso's counselor, aids Prospero when they are exiled to the Island. He assists them by providing them with food, clothes, books and Prospero's instruments. Gonzalo is shipwrecked on the Island with the other and praises Prospero's generosity in offering forgiveness to the nobles based upon their repentance.