International merchant is a term used to describe a person or business who engages in the trading and selling of goods and services across different countries. However, there are several synonyms that can be used to describe an international merchant. A global trader is one who operates in a worldwide market, while a cross-border trader is someone who trades across different borders. Additionally, a transnational merchant is someone who has business activities that transcend national boundaries. Another synonym is an import/exporter, who specializes in the transport and sale of goods between different countries. Finally, a cosmopolitan merchant is someone who operates in multiple countries and is familiar with various cultures and customs.