Final answer:
Wanjira fits the definition of a refugee, which is someone forced to leave their country due to persecution, as opposed to an exile, immigrant, or migrant who leave for different reasons.
Step-by-step explanation:
Wanjira was an outspoken poet who had to leave her home country after publishing a dissenting play about the government. Based on the definition of a refugee, which is an individual who has been forced to leave their country to escape war, persecution, or natural disaster, Wanjira can be identified as a refugee. This term distinguishes her situation from an exile, who is someone formally expelled from their country, an immigrant, who migrates to another country for reasons such as employment or family reunification, and a migrant, who moves from one place to another, which can be within or across national borders, for various reasons including economic ones.