This paper studies part-of-speech tagging in the Naga language, a crucial task in natural language processing (NLP). Nagase is a creole language based on Assamese, used for commercial communication between the Naga people of northeastern India and the Assamese region. While much research has been done on part-of-speech tagging in resource-rich languages such as English and Hindi, there has been little research on Nagase. This is the first attempt at part-of-speech tagging in Nagase, aiming to identify parts of speech in Nagase sentences. We generated an annotated corpus of 16,112 tokens and applied a machine learning technique called conditional random fields (CRF). Using CRF, we achieved an overall tagging accuracy of 85.70%, a precision of 86%, and an F1 score of 85%.