You may need an embassy visa for Curaçao if you have a Botswana passport
Visa options for Curaçao
Visitor visa
Travelers need a visa to visit Curacao for Business or Tourism. A paper or embassy visa is the only visa available for travelers visiting Curacao. The visa is typically a stamp or sticker added to the passport. Travelers must obtain this visa from a local embassy, consulate or visa center before traveling.