You need an embassy visa for Senegal if you have a Nauruan passport
Visa options for Senegal (2)
Visa on arrival for a maximum of 90 days
Travelers need a visa to visit Senegal for Business or Tourism. Travelers can get a visa on arrival in Senegal at the port of entry, such as an international airport or border crossing. Travelers can get a visa on arrival in Senegal at Dakar Airport only.
This is not offered by sherpa°.
Apply on the government site.
Visitor visa
Travelers need a visa to visit Senegal for Business or Tourism. A paper or embassy visa is the only visa available for travelers visiting Senegal. 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.
This is not offered by sherpa°.
Apply on the government site.