Africans who were brought to Cabo Verde as slaves used the pidgin, which then developed into a fully formed “creole” language.
When the slave trade ended, Portuguese remained the official language of Cabo Verde (and even today it is used in classrooms, the government, and in the media).
In fact, he has made career out of promoting the language.
He has lectured on Cape Verdean culture and language worldwide, is a professor who has taught Kriolu at Boston University, Rhode Island College, Bridgewater State University, and UMass Boston, as well as at the Dorchester Center for Adult Education.
A project done with his daughter, Liza Gonçalves, the dictionary took 10 years to complete.